Synthesis Energy Systems (SYNE) 10-Q 13 Feb 19 2019 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Dec. 31, 2018	Feb. 05, 2019
Document Information [Line Items]
Entity Registrant Name	SYNTHESIS ENERGY SYSTEMS INC
Entity Central Index Key	1,375,063
Trading Symbol	symx
Current Fiscal Year End Date	--06-30
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Common Stock, Shares Outstanding (in shares)		11,032,120
Document Type	10-Q
Document Period End Date	Dec. 31, 2018
Document Fiscal Year Focus	2,019
Document Fiscal Period Focus	Q2
Amendment Flag	false

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Dec. 31, 2018	Jun. 30, 2018
Current assets:
Cash and cash equivalents	$ 3,428	$ 7,071
Accounts receivable – related party, net	15	287
Prepaid expenses	431	172
Other currents assets	381	547
Total current assets	4,255	8,077
Property, plant and equipment, net	4	10
Intangible asset, net	1,064	1,038
Investment in joint ventures	5,023	5,036
Other long-term assets	135	153
Total assets	10,481	14,314
Current liabilities:
Accrued expenses and accounts payable	1,655	1,681
Senior secured debenture principal	8,000
Less unamortized discount and debt issuance costs	(2,397)
Total senior secured debenture	5,603
Total current liabilities	7,258	1,681
Senior secured debenture principal		8,000
Less unamortized discount and debt issuance costs		(2,610)
Total senior secured debenture		5,390
Derivative liabilities	454	1,964
Total long-term liabilities	454	7,354
Total liabilities	7,712	9,035
Commitment and contingencies (Note 11)
Stockholders’ equity:
Preferred stock, $0.01 par value: 20,000 shares authorized – no shares issued and outstanding
Common stock, $0.01 par value: 200,000 shares authorized: 11,022 and 10,999 shares issued and outstanding, respectively	110	110
Additional paid-in capital	265,382	265,066
Accumulated deficit	(262,894)	(260,068)
Accumulated other comprehensive income	244	244
Total stockholders' equity to SES stockholders	2,842	5,352
Noncontrolling interests in subsidiaries	(73)	(73)
Total stockholders' equity	2,769	5,279
Total liabilities and equity	$ 10,481	$ 14,314

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares shares in Thousands	Dec. 31, 2018	Jun. 30, 2018
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	20,000	20,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	200,000	200,000
Common stock, shares issued (in shares)	11,022	10,999
Common stock, shares outstanding (in shares)	11,022	10,999

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Revenue:
Revenue		$ 77		$ 345
Costs and Expenses:
Costs of sales and operating		55		146
General and administrative expenses	1,793	1,470	3,257	2,917
Stock-based expense	102	305	316	550
Depreciation and amortization	8	9	19	18
Total costs and expenses	1,903	1,839	3,592	3,631
Operating loss	(1,903)	(1,762)	(3,592)	(3,286)
Non-operating (income)/expense:
Equity losses of Joint Ventures	100	206	24	321
Foreign currency (gain)/ losses, net	(31)	(46)	91	(107)
Interest expense	329	233	653	233
Interest income	(7)	(8)	(24)	(10)
Gain on fair value adjustments of derivative liabilities	(702)	(439)	(1,510)	(439)
Other (gain)		(1,689)		(1,689)
Net Loss	(1,592)	(19)	(2,826)	(1,595)
Less: net loss attributable to noncontrolling interests
Net income/(loss) attributable to SES stockholders	$ (1,592)	$ (19)	$ (2,826)	$ (1,595)
Net income/(loss) per share (Basic and Diluted):
Net income/(loss) attributable to SES stockholders (in dollars per share)	$ (0.14)	$ 0	$ (0.26)	$ (0.15)
Weighted average common shares outstanding (Basic): (in shares)	11,022	10,955	11,021	10,944
Technology Licensing, Related Party [Member]
Revenue:
Revenue		$ 52		$ 320
Technology Licensing and Related Services [Member]
Revenue:
Revenue		$ 25		$ 25

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Net loss, as reported	$ (1,592)	$ (19)	$ (2,826)	$ (1,595)
Currency translation adjustment	(27)	184		150
Comprehensive income/(loss)	(1,619)	165	(2,826)	(1,445)
Comprehensive income/(loss) attributable to noncontrolling interests		625		652
Comprehensive loss attributable to the Company	$ (1,619)	$ (460)	$ (2,826)	$ (2,097)

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net loss, as reported	$ (2,826)	$ (1,595)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based expense	316	550
Amortization of debenture issuance cost	213	69
Depreciation and amortization	19	18
Gain on fair value adjustments of derivative liabilities	(1,510)	(439)
Other (gain)		(1,689)
Equity losses of Joint Ventures	24	321
Changes in operating assets and liabilities:
Accounts receivable	272	(327)
Prepaid expenses and other current assets	(93)	(162)
Inventory		33
Other long-term assets	(21)	(40)
Accrued expenses and payables	(26)	(129)
Net cash used in operating activities	(3,632)	(3,390)
Cash flows from investing activities:
Capital expenditures
Proceeds from TSEC share transfer		1,689
Equity investment in joint ventures	(11)	(321)
Net cash provided by/(used in) investing activities	(11)	1,368
Cash flows from financing activities:
Proceeds from issuance of debenture, net		7,375
Payments on debenture issuance costs		(161)
Proceeds from exercise of stock options
Net cash provided by financing activities		7,214
Net increase (decrease) in cash	(3,643)	5,192
Cash and cash equivalents, beginning of period	7,071	4,988
Effect of exchange rates on cash		153
Cash and cash equivalents, end of period	3,428	10,333
Supplemental Disclosures:
Cash paid for interest expense during six months ended 12/31/2018:	$ 440

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Cash Flows (Unaudited) (Parentheticals)	6 Months Ended
	Dec. 31, 2017USD ($)
AFE [Member]
Accounts receivable exchanged	$ 150,000

Condensed Consolidated Statem_5

Condensed Consolidated Statement of Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Jun. 30, 2017	10,930
Balance at Jun. 30, 2017	$ 109	$ 263,809	$ (250,464)	$ 831	$ (724)	$ 13,561
Net loss, as reported			(1,575)			(1,575)
Currency translation adjustment				(60)	26	(34)
Stock-based expense (in shares)	13
Stock-based expense		245				245
Balance (in shares) at Sep. 30, 2017	10,943
Balance at Sep. 30, 2017	$ 109	264,054	(252,039)	771	(698)	12,197
Balance (in shares) at Jun. 30, 2017	10,930
Balance at Jun. 30, 2017	$ 109	263,809	(250,464)	831	(724)	13,561
Net loss, as reported						(1,595)
Currency translation adjustment						150
Balance (in shares) at Dec. 31, 2017	10,966
Balance at Dec. 31, 2017	$ 110	264,358	(252,058)	329	(72)	12,667
Balance (in shares) at Sep. 30, 2017	10,943
Balance at Sep. 30, 2017	$ 109	264,054	(252,039)	771	(698)	12,197
Net loss, as reported			(19)			(19)
Currency translation adjustment				(44)		184
Stock-based expense (in shares)	23
Stock-based expense	$ 1	304				305
Gain on disposition of investment in subsidiary				(398)	626	228
Balance (in shares) at Dec. 31, 2017	10,966
Balance at Dec. 31, 2017	$ 110	264,358	(252,058)	329	(72)	12,667
Balance (in shares) at Jun. 30, 2018	10,999
Balance at Jun. 30, 2018	$ 110	265,066	(260,068)	244	(73)	5,279
Net loss, as reported			(1,234)			(1,234)
Currency translation adjustment				27		27
Stock-based expense (in shares)	23
Stock-based expense		214				214
Balance (in shares) at Sep. 30, 2018	11,022
Balance at Sep. 30, 2018	$ 110	265,280	(261,302)	271	(73)	4,286
Balance (in shares) at Jun. 30, 2018	10,999
Balance at Jun. 30, 2018	$ 110	265,066	(260,068)	244	(73)	5,279
Net loss, as reported						(2,826)
Currency translation adjustment
Balance (in shares) at Dec. 31, 2018	11,022
Balance at Dec. 31, 2018	$ 110	265,382	(262,894)	244	(73)	2,769
Balance (in shares) at Sep. 30, 2018	11,022
Balance at Sep. 30, 2018	$ 110	265,280	(261,302)	271	(73)	4,286
Net loss, as reported			(1,592)			(1,592)
Currency translation adjustment				(27)		(27)
Stock-based expense (in shares)
Stock-based expense		102				102
Balance (in shares) at Dec. 31, 2018	11,022
Balance at Dec. 31, 2018	$ 110	$ 265,382	$ (262,894)	$ 244	$ (73)	$ 2,769

Note 1 - Business and Liquidity

Note 1 - Business and Liquidity	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Business Description and Liquidity [Text Block]	Note 1 (a) Organization and description of business Synthesis Energy Systems, Inc. (referred to herein as “we”, “us”, and “our”), together with its wholly-owned and majority-owned controlled subsidiaries, is a global clean energy company that owns proprietary technology, SES Gasification Technology (“SGT”), for the low-cost and environmentally responsible production of synthesis gas (referred to as “syngas”). Our focus has been on commercializing our technology both in China and through the regional business platforms we have created with partners in Australia, Australia Future Energy Pty Ltd (“AFE”), and in Poland, SES EnCoal Energy sp. z o.o (“SEE”). Over the past ten five two four first 2015. Our partnership companies, AFE and SEE, are developing energy and resource projects with what we believe to be the necessary commercial and financing structures to deliver attractive financial results. We own approximately 38% 50% Through 2018, three first second third We operate our business from our headquarters located in Houston, Texas and our offices in Shanghai, China. Additionally, our partnership companies, AFE and SEE have independent operations in Brisbane, Australia and Warsaw, Poland respectively. (b) Liquidity, Management’s Plan and Going Concern As of December 31, 2018, $3.4 $3.0 Note 5 $0.1 90 one As of February 13, 2019, $2.9 $0.1 90 one $2.9 $1.6 $1.3 In the quarter ended December 31, 2018, As part of our overall strategy, to the extent possible, we intend to (i) support AFE and SEE in those endeavors to develop energy, chemicals and resource projects where we would own an earned or carried equity interest in the project; (ii) monitor support and facilitate our minority ownership in BFR in order to realize the financial value through dividend income or other means; (iii) work to recover cash and monetize our Yima Joint Venture and TSEC Joint Venture operations; and (iv) taking any additional steps to utilize our existing cash reserves in the most financially productive mean possible. We are undertaking strategies to improve our financial position and preserve our available cash to allow more time to realize the value we believe is in our assets, such as Batchfire Resources Pty Ltd (“BFR”), the Pentland coal resource and AFE. These strategies include the evaluation of a full range of financing, restructuring and strategic alternative options which may 2019 may We believe that with the strategies above, we can continue to operate for the next nine We currently plan to use our available cash for: (i) evaluation and implementing financing, divestitures and strategic restructuring options; (ii) paying the interest related to the Debentures; and (iii) working capital for general corporate and administrative expenses. We currently have very limited financial and human resources to fully implement our plans and due to employee resource reductions, we have limited technology delivery capabilities. We can make no As noted above, we are seeking to improve our financial position and we may may may not may

Note 2 - Summary of Significant

Note 2 - Summary of Significant Accounting Policies	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Significant Accounting Policies [Text Block]	Note 2 (a) Reverse Stock Split On December 4, 2017, 1 8 November 2017. (b) Basis of presentation and principles of consolidation The condensed consolidated financial statements for the periods presented are unaudited. Operating results for the three six December 31, 2018 not June 30, 2019. The condensed consolidated financial statements are in U.S. dollars. Non-controlling interests in consolidated subsidiaries in the consolidated balance sheets represents minority stockholders’ proportionate share of the equity, including any contractual relationships in such subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation. These condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto reported in the Company’s Annual Report on Form 10 June 30, 2018. 10 June 30, 2018 not The accompanying condensed consolidated interim financial statements have been prepared on the basis of a going concern, which contemplates the realization of assets and liquidation of liabilities in the normal course of business. As such, conditions exist the may no Immaterial prior period corrections. three six December 31, 2018, · The allocation of losses to the noncontrolling interests in our subsidiary Synthesis Energy Systems Investments, Inc. (“SESI”), should have excluded certain charges contractually agreed to with the noncontrolling interest shareholder. Accordingly, we made adjustments to increase the net loss attributable to SES stockholders by approximately $374,000 $418,000 three six December 31, 2017 December 31, 2017. · We also adjusted the balances as of June 30, 2017 $477,000, $3.2 $2.7 2013. · We also adjusted the balances on the condensed consolidated balance sheets, statement of operations, comprehensive loss, cash flow and statement of equity related to reversing approximately $67,000 September 30, 2018, not not (c) Accounting for Variable Interest Entities (“VIEs”) and Financial Statement Consolidation Criteria We have equity investments in various privately held entities. We account for these investments either under the equity method or cost method of accounting depending on our ownership interest and the level of our influence in each joint venture. Investments accounted for under the equity method are recorded based upon the amount of our investment and adjusted each period for our share of the investee's income or loss. Cost method investments are recorded at cost less any impairments. All investments are reviewed for changes in circumstance or the occurrence of events that suggest an other-than-temporary event where our investment may not The joint ventures which we have entered into may not not not third (d) Revenue Recognition We may We adopted Accounting Standards Codification No. 606, Revenue from Contracts with Customers 606 July 1, 2018. 606 may not not no (e) Use of estimates The preparation of consolidated financial statements in conformity with generally accepted accounting principles requires management to make estimates that affect the amounts reported in the financial statements and accompanying notes. Management considers many factors in selecting appropriate operational and financial accounting policies and controls, and in developing the assumptions that are used in the preparation of these consolidated financial statements. Management must apply significant judgment in this process. Among the factors, but not may may (f) Fair value measurements Accounting standards require that fair value measurements be classified and disclosed in one Level 1 Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities; Level 2 Quoted prices in markets that are not Level 3 Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e., supported by little or no The Company’s financial assets and liabilities are classified based on the lowest level of input that is significant for the fair value measurement. The Company measures equity investments without readily determinable fair value on a non- recurring basis. The fair value of the Yima Joint Venture was determined as of June 30, 2018 no six December 31, 2018, December 31, 2018 June 30, 2018 ( December 31, 2018 Level 1 Level 2 Level 3 Total Assets: Certificates of Deposit $ — $ 50 (1) $ — $ 50 Money Market Funds 1,452 (2) — — 1,452 Liabilities: Derivative Liabilities $ — $ — $ 454 $ 454 June 30, 2018 Level 1 Level 2 Level 3 Total Assets: Certificates of Deposit $ — $ 50 (1) $ — $ 50 Money Market Funds 4,345 (2) — — 4,345 Non-recurring Investment in Yima Joint Venture — — 5,000 5,000 Liabilities: Derivative Liabilities $ — $ — $ 1,964 $ 1,964 ( 1 Amount included in current assets on the Company’s consolidated balance sheets. ( 2 Amount included in cash and cash equivalents on the Company’s consolidated balance sheets. The following table sets forth the changes in the estimated fair value for our Level 3 Derivative liabilities balance - June 30, 2018 $ 1,964 Change in fair value (1,510 ) Derivative liabilities balance – December 31, 2018 $ 454 The carrying values of the certificates of deposit and money market funds approximate fair value, which was estimated using quoted market prices for those or similar investments. The carrying value of other financial instruments, including accounts receivable and accounts payable, approximate their fair values due to the short maturities on those instruments. Our Debentures are recorded at face value of $8.0 Note 6

Note 3 - Recently Issued Accoun

Note 3 - Recently Issued Accounting Standards	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]	Note 3 In February 2016, No. 2016 02, 842, December 15, 2018. In June 2018, No. 2018 07, 718, 718 718 718 not 1 2 606, December 15, 2018, No. 2018 07 December 31, 2018 no

Note 4 - Current Projects

Note 4 - Current Projects	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Equity Method Investments and Joint Ventures Disclosure [Text Block]	Note 4 Australian Future Energy Pty Ltd In 2014, On May 10, 2017, $2.0 first five no In August 2017, 266 In July 2018, 350,000 $260,000. three 6%. August 2018. For our ownership interest in AFE, we have been contributing cash and engineering support for AFE’s business development while Ambre contributed cash and services. Additional ownership in AFE has been granted to the AFE management team and staff individuals providing services to AFE. In August 2017 March 2018, $0.47 $0.16 We account for our investment in AFE under the equity method. Our ownership interest of approximately 38% second not December 31, 2018 June 30, 2018 The following summarizes condensed financial information of AFE for the three six December 31, 2018 2017 December 31, 2018 June 30, 2018 ( Three Months Ended Six Months Ended Income Statement data: 2018 2017 2018 2017 Net income/( loss) $ (289 ) $ (522 ) $ 9 $ (1,013 ) Balance sheet data: December 31, 2018 June 30, 2018 Total assets $ 918 $ 725 Total Equity 563 549 Batchfire Resources Pty Ltd As a result of AFE’s early stage business development efforts associated with the Callide coal mine in Central Queensland, Australia, AFE created BFR. BFR was a spin-off company for which ownership interest was distributed to the existing shareholders of AFE and to the new BFR management team in December 2015. one 20 In October 2016, October 2016. We account for our investment in BFR under the cost method. Our limited ownership interest in BFR was approximately 11% not zero December 31, 2018, 11% December 31, 2018 June 30, 2018 Townsville Metals Infrastructure Pty Ltd In August 2018, 38% We account for our investment in TMI under the equity method. Our ownership interest of approximately 38% second may one 15% not December 31, 2018 Cape River Resources Pty Ltd In October 2018, 38% 100% 6.0 9.0 first 4.5 1.5 2022. 2018 We account for our investment in CRR under the equity method. Our ownership interest of approximately 38% second may one 15% not December 31, 2018 SES EnCoal Energy sp. z o. o. In October 2017, For our ownership interest in SEE, we have been contributing cash and assisting in the development of SEE. SEE was funded in January 2018 $6,000 March 2018 $76,000. August 2018 $11,000. We account for our investment in SEE under the equity method. Our ownership interest of 50% two four not December 31, 2018, 50% December 31, 2018 June 30, 2018 $23,000 $36,000, Yima Joint Venture In August 2009, 25% 75% In December 2017 January 2018, 16 $2.3 June 30, 2018, 6.15 $0.9 may not six December 31, 2018. Since 2014, We evaluated the conditions of the Yima Joint Venture to determine whether an other-than-temporary decrease in value had occurred as of June 30, 2018 2017. June 30, 2018, fourth June 30, 2017, may third 2 (e) Use of Estimates June 30, 2018, $3.5 June 30, 2018. $17.7 June 30, 2017. As of December 31, 2018, third 59.8 $8.7 $4.9 April 2019 $3.8 one Management determined that there was not December 31, 2018. $5.0 December 31, 2018 June 30, 2018. Tianwo-SES Clean Energy Technologies Limited Joint Venture Contract In February 2014, one In August 2017, December 2017. 25% 25% 50%. three 11.15 $1.7 1.2 $180,000 TSEC Joint Venture financial data The following summarizes condensed financial information of TSEC Joint Venture for the three six December 31, 2018 2017 December 31, 2018 June 30, 2018 ( Three Months Ended Six Months Ended Income Statement data: 2018 2017 2018 2017 Revenue $ — $ 109 $ — $ 109 Operating loss (259 ) (643 ) (466 ) (1,241 ) Net loss (259 ) (643 ) (466 ) (1,241 ) Balance sheet data: December 31, 2018 June 30, 2018 Current assets $ 4,322 $ 5,918 Noncurrent assets 1,314 5,464 Current liabilities 3,677 3,938 Noncurrent liabilities — — Equity 1,959 7,444 The TSEC Joint Venture is accounted for under the equity method. Our initial capital contribution in the formation of the venture was the Technology Usage and Contribution Agreement (“TUCA”), which is an intangible asset. As such, we did not December 31, 2018 June 30, 2018 zero Under the equity method of accounting, losses in the venture are not no not not $0.1 $0.3 six December 31, 2018 2017 $3.6 TUCA Pursuant to the TUCA, we have contributed to the TSEC Joint Venture certain exclusive rights to our gasification technology in the TSEC Joint Venture territory, including the right to: (i) grant site specific project sub-licenses to third

Note 5 - Senior Secured Debentu

Note 5 - Senior Secured Debentures	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Long-term Debt [Text Block]	Note 5 On October 24, 2017, $8.0 5 11% 18% 1,000,000 $4.00 no January 2, 2018. October 23, 2022. The net offering proceeds to us from the sale of the Debentures and warrants, after deducting the placement agent’s fee and associated costs and expenses, was approximately $7.4 not $0.56 7% 70,000 7% $137,000 $1.0 October 2017. The warrants and Placement Agent Warrants contain provisions providing for the adjustment of the purchase price and number of shares into which the securities are exercisable in certain events. Also, under certain events, we shall, at the holder’s option, purchase the warrants from the holder by paying the holder an amount in cash based on a Black Scholes Option Pricing Model for remaining unexercised warrants. Under U.S. GAAP, this potential cash transaction requires us to record the fair market value of the warrants as a liability as opposed to equity. Management used a Monte Carlo Simulation method to value the warrants with Anti-Dilution Protection with the assistance of a third Valuation Date: October 24, 2017 Warrant Expiration Date: October 31, 2022 Total Number of Warrants Issued: 1,000,000 Contracted Conversion Ratio: 1:1 Warrant Exercise Price (USD) 4.00 Next Capital Raise Date: October 31, 2018 Threshold exercise price post Capital raise: 2.51 Spot Price (USD): 3.28 Expected Life (Years): 5.0 Volatility: 66.0% Volatility (Per-period Equivalent): 19.1% Risk Free Interest Rate: 2.04% Risk Free Rate (Per-period Equivalent): 0.17% Nominal Value (USD Mn): 4.0 No of Shares on conversion (Mn): 8.0 The results of the valuation exercise valued the warrants issued at $1.9528 $2.0 The total proceeds received are first The Company recorded $8.0 $2.0 $0.1 $0.3 $0.2 three December 31, 2018 2017 $0.7 $0.2 six December 31, 2018 2017 The effective annual interest rate of the debentures is approximately 18% $2.0 The Debentures are guaranteed by the U.S. subsidiaries of the Company, as well as the Company’s British Virgin Islands subsidiary, pursuant to a Subsidiary Guarantee, in favor of the holders of the Debentures by the subsidiary guarantors, party thereto, as well as any future subsidiaries which the Company forms or acquires. The Debentures are secured by a lien on substantially all of the assets of the Company and the subsidiary guarantors, other than their equity ownership interest in the Company’s foreign subsidiaries, pursuant to the terms of the Purchase Agreement among the Company, the subsidiary guarantors and the holders of the Debentures. On November 5, 2018, 10 not may not 10

Note 6 - Derivative Liabilities

Note 6 - Derivative Liabilities	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Derivatives and Fair Value [Text Block]	Note 6 The warrants issued to the Debenture investors and the Placement Agent contain provisions providing for the adjustment of the purchase price and number of shares into which the securities are exercisable under certain events. Under certain events, the Company shall, at the holder’s option, purchase the warrants from the holder by paying the holder an amount in cash based on a Black Scholes Option Pricing Model for remaining unexercised warrants. ASC 815, third third June 30, 2018 September 30, 2018 December 31, 2018 To execute the model and value the derivatives, certain assumptions were needed as noted below: Assumptions Year Ended June 30, 2018 Quarter Ended December 31, 2018 Warrant Issue Date: October 24, 2017 October 24, 2017 Valuation Date: June 30, 2018 December 31, 2018 Warrant Expiration Date: October 31, 2022 October 31, 2022 Total Number of Warrants Issued: 1,070,000 1,070,000 Warrant Exercise Price (USD): 4.00 4.00 Next Capital Raise Date: (1) June 30, 2019 September 30, 2019 Threshold Exercise Price Post Capital Raise: (2) 2.15 0.70 Spot Price (USD): 3.28 0.79 Expected Life (Years): 4.3 3.8 Volatility: 65.0% 79.0% Volatility (Per-period Equivalent): 18.8% 22.8% Risk Free Interest Rate: 2.71% 2.49% Risk Free Rate (Per-period Equivalent): 0.22% 0.20% Nominal Value (USD Mn): 4.3 4.3 No. of Shares on Conversion (Mn): 1.1 1.1 Contracted Conversion Ratio: 1:1 1:1 Fair Values (in thousands) Fair Value without Anti-Dilution Protection: $1,704 $199 Fair Value of Embedded Derivative: 260 255 Fair Value of the Warrants Issued: $1,964 $454 Gain/(Loss) on Fair Value Adjustments to Derivative Liabilities $126 $1,510 ( 1 Next Capital Raise Date was assumed to be within a year of the debt offering and each valuation date. This was assumed as the Company has registered some type of capital raise in each year for the past 3 may not ( 2 Threshold Exercise Price Post Capital Raise is assumed to be the 52 not 52 The change in the derivative liability was mostly due to the Company’s stock price movements. Other changes in assumptions are listed above, some change with the passage time, interest rate fluctuations and stock market volatility.

Note 7 - Risks and Uncertaintie

Note 7 - Risks and Uncertainties	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	Note 7 As of December 31, 2018, $3.4 $3.0 Note 5 As of February 13, 2019, $2.9 $0.1 90 one $2.9 $1.6 $1.3 In the quarter ended December 31, 2018, We are undertaking strategies to improve our financial position and preserve our available cash to allow more time to realize the value we believe is in our assets, such as BFR, the Pentland coal resource and AFE. These strategies include the evaluation of a full range of financing, restructuring and strategic alternative options which may 2019 may We believe that with the strategies above, we can continue to operate for the next nine We currently plan to use our available cash for: (i) evaluation and implementing financing, divestitures and strategic restructuring options; (ii) paying the interest related to the Senior Secured Debentures; and (iii) working capital for general corporate and administrative expenses. We currently have very limited financial and human resources to fully implement our plans and due to employee resource reductions, we have limited technology delivery capabilities. We can make no As noted in Note 1, may may may not may On November 5, 2018, 10 not may Our ability to make payments on and to refinance our indebtedness, including our Debentures, and to fund planned capital expenditures will depend on our ability to generate sufficient cash flow from operations in the future. To a certain extent, this is subject to general economic, financial, competitive, legislative and regulatory conditions and other factors that are beyond our control. We cannot assure you that our business will generate sufficient cash flow from operations in an amount sufficient to enable us to pay principal and interest on our indebtedness, including our Debentures, or to fund our other liquidity needs. If our cash flow and capital resources are insufficient to fund our debt obligations, we may may may may not Pursuant to our joint venture contracts, we are committed to providing technology and related support to our partners. If we do not may We may Note 4 Yima Joint Venture not December 31, 2018. $5.0 December 31, 2018 June 30, 2018. Should general economic, market or business conditions decline further, and continue to have a negative impact on our revenues or other aspects of our business, we may

Note 8 - GTI License Agreement

Note 8 - GTI License Agreement	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Amended and Restated License Agreement Disclosure [Text Block]	Note 8 In November 2009, August 31, 2006, ® 60%, ® 100% 40% In order to sublicense any U-GAS ® ten not not ten three For each U-GAS ® third third third third third third third third third third third third We are required to make an annual payment to GTI for each year of the term, with such annual payment due by the last day of January not ® six January 31, 2019. For a period of ten May 2016, While the core of our technology is the U-GAS ® 2004, May 2016, first 10 2026.

Note 9 - Equity

Note 9 - Equity	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Shareholders' Equity and Share-based Payments [Text Block]	Note 9 Common Stock issued to Consultants for Services Rendered On July 12, 2018, 22,890 July 1, 2018, $3.08 $71,000 September 30, 2018 Stock-Based Compensation As of December 31, 2018, 2015 “2015 2005 “2005 2,625,000 2015 2005 2005 November 7, 2015 no December 31, 2018, 359,787 2015 2015 may one four ten Restricted stock activity during the six December 31, 2018 Restricted stock outstanding December 31, 2018 Unvested shares outstanding at June 30, 2018 9,837 Granted — Vested — Forfeited — Unvested shares outstanding at December 31, 2018 9,837 Stock option activity during the six December 31, 2018 Number of Underlying Stock Options Outstanding at June 30, 2018 1,720,732 Granted — Exercised — Forfeited (16,979 ) Outstanding at December 31, 2018 1,703,753 Exercisable at December 31, 2018 1,687,052 On October 31, 2018, 100,000 $1.30 October 31, 2018, $0.1 Stock warrants activity during the six December 31, 2018 Number of Underlying Warrants Outstanding at June 30, 2018 1,676,021 Granted 100,000 Exercised — Forfeited — Outstanding at December 31, 2018 1,776,021 Exercisable at December 31, 2018 1,701,021 The fair value of the warrants issued during the six December 31, 2018 Risk-free rate of return 3.15% Expected life of award (years) 10 Expected dividend yield 0.00% Expected volatility of stock 94% Weighted-average grant date fair value $1.12 The Company recognizes the stock-based expense related to the Incentive Plan awards and warrants over the requisite service period. The following table presents stock based compensation expense attributable to stock option awards issued under the Incentive Plan and attributable to warrants and common stock issued to consulting firms as compensation (in thousands): Three Months Ended Six Months Ended 2018 2017 2018 2017 2005 and 2015 Incentive Plans $ 75 $ 92 $ 218 $ 337 Warrants and common stock 27 213 98 213 Total stock-based compensation expense $ 102 $ 305 $ 316 $ 550

Note 10 - Net Loss Per Share

Note 10 - Net Loss Per Share	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Earnings Per Share [Text Block]	Note 10 All share amounts and number of shares used in the calculation of earnings per share have been adjusted for the 1 8 December 4, 2017. Historical net loss per share of common stock is computed using the weighted average number of shares of common stock outstanding. Basic loss per share excludes dilution and is computed by dividing net loss available to common stockholders by the weighted average number of shares of common stock outstanding for the period. Stock options, warrants and unvested restricted stock are the only potential dilutive share equivalents the Company had outstanding for the periods presented. For the six December 31, 2018 2017, 3.5 3.3

Note 11 - Commitments and Conti

Note 11 - Commitments and Contingencies	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	Note 11 Litigation The Company is currently not Contractual Obligations In October 2017, 13 January 31, 2019 $18,000 In November 2018, 12 December 31, 2019 $3,300 The Debentures have a term of 5 October 2022. Governmental and Environmental Regulation The Company’s operations are subject to stringent federal, state and local laws and regulations governing the discharge of materials into the environment or otherwise relating to environmental protection. Numerous governmental agencies, such as the U.S. Environmental Protection Agency, and various Chinese authorities, issue regulations to implement and enforce such laws, which often require difficult and costly compliance measures that carry substantial administrative, civil and criminal penalties or may may not

Note 12 - Segment Information

Note 12 - Segment Information	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	Note 12 The Company’s reportable operating segments have been determined in accordance with internal management reporting structure and include SES Foreign Operating, Technology Licensing and Related Services, and Corporate. The SES Foreign Operating reporting segment includes all of the assets, operations and related administrative costs for China and our equity positions and earnings related to our joint ventures including AFE, BFR, the Yima Joint Venture and the TSEC Joint Venture. The Technology Licensing and Related Services reporting segment includes all operating activities related to our technology group. The Corporate reporting segment includes the executive and administrative expenses of the corporate office in Houston. The Company evaluates performance based upon several factors, of which a primary financial measure is segment operating income or loss. The following table presents statements of operations data and assets by segment (in thousands): Three Months Ended Six Months Ended 2018 2017 2018 2017 Revenue: SES Foreign Operating $ — $ 52 $ — $ 144 Technology licensing and related services — 25 — 201 Corporate & other — — — — Total revenue $ — $ 77 $ — $ 345 Depreciation and amortization: SES Foreign Operating $ 2 $ 3 $ 4 $ 6 Technology licensing and related services — — — — Corporate & other 6 6 15 12 Total depreciation and amortization $ 8 $ 9 $ 19 $ 18 Operating loss: SES Foreign Operating $ (243 ) $ (4 ) $ (349 ) $ (258 ) Technology licensing and related services (477 ) (454 ) (972 ) (650 ) Corporate & other (1,182 ) (1,304 ) (2,271 ) (2,378 ) Total operating loss $ (1,902 ) $ (1,762 ) $ (3,592 ) $ (3,286 ) Interest Expense: SES Foreign Operating $ — $ — $ — $ — Technology licensing and related services — — — — Corporate & other 329 233 653 233 Total interest expense $ 329 $ 233 $ 653 $ 233 December 31, June 30, Assets: SES Foreign Operating $ 6,409 $ 7,402 Technology licensing and related services 1,010 984 Corporate 3,062 5,928 Total assets $ 10,481 $ 14,314

Note 13 - Subsequent Events

Note 13 - Subsequent Events	6 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Subsequent Events [Text Block]	Note 13 NASDAQ Notification On February 5, 2019, $1.00 30 not no Under NASDAQ Listing Rule 5810 3 180 August 5, 2019, $1.00 ten If we do not August 5, 2019, may may 180 We actively monitor the price of our common stock and will consider all available options to regain compliance with the continued listing standards of the NASDAQ. Management Changes On February 8, 2019, March 1, 2019. February 2016

Significant Accounting Policies

Significant Accounting Policies (Policies)	6 Months Ended
	Dec. 31, 2018
Accounting Policies [Abstract]
Reverse Stock Split, Policy [Policy Text Block]	(a) Reverse Stock Split On December 4, 2017, 1 8 November 2017.
Basis of Accounting, Policy [Policy Text Block]	(b) Basis of presentation and principles of consolidation The condensed consolidated financial statements for the periods presented are unaudited. Operating results for the three six December 31, 2018 not June 30, 2019. The condensed consolidated financial statements are in U.S. dollars. Non-controlling interests in consolidated subsidiaries in the consolidated balance sheets represents minority stockholders’ proportionate share of the equity, including any contractual relationships in such subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation. These condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto reported in the Company’s Annual Report on Form 10 June 30, 2018. 10 June 30, 2018 not The accompanying condensed consolidated interim financial statements have been prepared on the basis of a going concern, which contemplates the realization of assets and liquidation of liabilities in the normal course of business. As such, conditions exist the may no Immaterial prior period corrections. three six December 31, 2018, · The allocation of losses to the noncontrolling interests in our subsidiary Synthesis Energy Systems Investments, Inc. (“SESI”), should have excluded certain charges contractually agreed to with the noncontrolling interest shareholder. Accordingly, we made adjustments to increase the net loss attributable to SES stockholders by approximately $374,000 $418,000 three six December 31, 2017 December 31, 2017. · We also adjusted the balances as of June 30, 2017 $477,000, $3.2 $2.7 2013. · We also adjusted the balances on the condensed consolidated balance sheets, statement of operations, comprehensive loss, cash flow and statement of equity related to reversing approximately $67,000 September 30, 2018, not not
Interest in Unincorporated Joint Ventures or Partnerships, Policy [Policy Text Block]	(c) Accounting for Variable Interest Entities (“VIEs”) and Financial Statement Consolidation Criteria We have equity investments in various privately held entities. We account for these investments either under the equity method or cost method of accounting depending on our ownership interest and the level of our influence in each joint venture. Investments accounted for under the equity method are recorded based upon the amount of our investment and adjusted each period for our share of the investee's income or loss. Cost method investments are recorded at cost less any impairments. All investments are reviewed for changes in circumstance or the occurrence of events that suggest an other-than-temporary event where our investment may not The joint ventures which we have entered into may not not not third
Revenue Recognition, Policy [Policy Text Block]	(d) Revenue Recognition We may We adopted Accounting Standards Codification No. 606, Revenue from Contracts with Customers 606 July 1, 2018. 606 may not not no
Use of Estimates, Policy [Policy Text Block]	(e) Use of estimates The preparation of consolidated financial statements in conformity with generally accepted accounting principles requires management to make estimates that affect the amounts reported in the financial statements and accompanying notes. Management considers many factors in selecting appropriate operational and financial accounting policies and controls, and in developing the assumptions that are used in the preparation of these consolidated financial statements. Management must apply significant judgment in this process. Among the factors, but not may may
Fair Value of Financial Instruments, Policy [Policy Text Block]	(f) Fair value measurements Accounting standards require that fair value measurements be classified and disclosed in one Level 1 Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities; Level 2 Quoted prices in markets that are not Level 3 Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e., supported by little or no The Company’s financial assets and liabilities are classified based on the lowest level of input that is significant for the fair value measurement. The Company measures equity investments without readily determinable fair value on a non- recurring basis. The fair value of the Yima Joint Venture was determined as of June 30, 2018 no six December 31, 2018, December 31, 2018 June 30, 2018 ( December 31, 2018 Level 1 Level 2 Level 3 Total Assets: Certificates of Deposit $ — $ 50 (1) $ — $ 50 Money Market Funds 1,452 (2) — — 1,452 Liabilities: Derivative Liabilities $ — $ — $ 454 $ 454 June 30, 2018 Level 1 Level 2 Level 3 Total Assets: Certificates of Deposit $ — $ 50 (1) $ — $ 50 Money Market Funds 4,345 (2) — — 4,345 Non-recurring Investment in Yima Joint Venture — — 5,000 5,000 Liabilities: Derivative Liabilities $ — $ — $ 1,964 $ 1,964 ( 1 Amount included in current assets on the Company’s consolidated balance sheets. ( 2 Amount included in cash and cash equivalents on the Company’s consolidated balance sheets. The following table sets forth the changes in the estimated fair value for our Level 3 Derivative liabilities balance - June 30, 2018 $ 1,964 Change in fair value (1,510 ) Derivative liabilities balance – December 31, 2018 $ 454 The carrying values of the certificates of deposit and money market funds approximate fair value, which was estimated using quoted market prices for those or similar investments. The carrying value of other financial instruments, including accounts receivable and accounts payable, approximate their fair values due to the short maturities on those instruments. Our Debentures are recorded at face value of $8.0 Note 6

Note 2 - Summary of Significa_2

Note 2 - Summary of Significant Accounting Policies (Tables)	6 Months Ended
	Dec. 31, 2018
Notes Tables
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]	December 31, 2018 Level 1 Level 2 Level 3 Total Assets: Certificates of Deposit $ — $ 50 (1) $ — $ 50 Money Market Funds 1,452 (2) — — 1,452 Liabilities: Derivative Liabilities $ — $ — $ 454 $ 454 June 30, 2018 Level 1 Level 2 Level 3 Total Assets: Certificates of Deposit $ — $ 50 (1) $ — $ 50 Money Market Funds 4,345 (2) — — 4,345 Non-recurring Investment in Yima Joint Venture — — 5,000 5,000 Liabilities: Derivative Liabilities $ — $ — $ 1,964 $ 1,964
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]	Derivative liabilities balance - June 30, 2018 $ 1,964 Change in fair value (1,510 ) Derivative liabilities balance – December 31, 2018 $ 454

Note 4 - Current Projects (Tabl

Note 4 - Current Projects (Tables)	6 Months Ended
	Dec. 31, 2018
Notes Tables
Equity Method Investment Summarized Financial Information Income Statement [Table Text Block]	Three Months Ended Six Months Ended Income Statement data: 2018 2017 2018 2017 Net income/( loss) $ (289 ) $ (522 ) $ 9 $ (1,013 ) Three Months Ended Six Months Ended Income Statement data: 2018 2017 2018 2017 Revenue $ — $ 109 $ — $ 109 Operating loss (259 ) (643 ) (466 ) (1,241 ) Net loss (259 ) (643 ) (466 ) (1,241 )
Equity Method Investment Summarized Financial Information Balance Sheet [Table Text Block]	Balance sheet data: December 31, 2018 June 30, 2018 Total assets $ 918 $ 725 Total Equity 563 549 Balance sheet data: December 31, 2018 June 30, 2018 Current assets $ 4,322 $ 5,918 Noncurrent assets 1,314 5,464 Current liabilities 3,677 3,938 Noncurrent liabilities — — Equity 1,959 7,444

Note 5 - Senior Secured Deben_2

Note 5 - Senior Secured Debentures (Tables)	6 Months Ended
	Dec. 31, 2018
Warrant [Member]
Notes Tables
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]	Valuation Date: October 24, 2017 Warrant Expiration Date: October 31, 2022 Total Number of Warrants Issued: 1,000,000 Contracted Conversion Ratio: 1:1 Warrant Exercise Price (USD) 4.00 Next Capital Raise Date: October 31, 2018 Threshold exercise price post Capital raise: 2.51 Spot Price (USD): 3.28 Expected Life (Years): 5.0 Volatility: 66.0% Volatility (Per-period Equivalent): 19.1% Risk Free Interest Rate: 2.04% Risk Free Rate (Per-period Equivalent): 0.17% Nominal Value (USD Mn): 4.0 No of Shares on conversion (Mn): 8.0

Note 6 - Derivative Liabiliti_2

Note 6 - Derivative Liabilities (Tables)	6 Months Ended
	Dec. 31, 2018
Derivative [Member]
Notes Tables
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]	Assumptions Year Ended June 30, 2018 Quarter Ended December 31, 2018 Warrant Issue Date: October 24, 2017 October 24, 2017 Valuation Date: June 30, 2018 December 31, 2018 Warrant Expiration Date: October 31, 2022 October 31, 2022 Total Number of Warrants Issued: 1,070,000 1,070,000 Warrant Exercise Price (USD): 4.00 4.00 Next Capital Raise Date: (1) June 30, 2019 September 30, 2019 Threshold Exercise Price Post Capital Raise: (2) 2.15 0.70 Spot Price (USD): 3.28 0.79 Expected Life (Years): 4.3 3.8 Volatility: 65.0% 79.0% Volatility (Per-period Equivalent): 18.8% 22.8% Risk Free Interest Rate: 2.71% 2.49% Risk Free Rate (Per-period Equivalent): 0.22% 0.20% Nominal Value (USD Mn): 4.3 4.3 No. of Shares on Conversion (Mn): 1.1 1.1 Contracted Conversion Ratio: 1:1 1:1 Fair Values (in thousands) Fair Value without Anti-Dilution Protection: $1,704 $199 Fair Value of Embedded Derivative: 260 255 Fair Value of the Warrants Issued: $1,964 $454 Gain/(Loss) on Fair Value Adjustments to Derivative Liabilities $126 $1,510

Note 9 - Equity (Tables)

Note 9 - Equity (Tables)	6 Months Ended
	Dec. 31, 2018
Notes Tables
Nonvested Restricted Stock Shares Activity [Table Text Block]	Restricted stock outstanding December 31, 2018 Unvested shares outstanding at June 30, 2018 9,837 Granted — Vested — Forfeited — Unvested shares outstanding at December 31, 2018 9,837
Share-based Compensation, Stock Options, Activity [Table Text Block]	Number of Underlying Stock Options Outstanding at June 30, 2018 1,720,732 Granted — Exercised — Forfeited (16,979 ) Outstanding at December 31, 2018 1,703,753 Exercisable at December 31, 2018 1,687,052
Stock Warrants Activity [Table Text Block]	<table style="border-collapse: collapse; min-; min-width: 700px;" cellspacing="0" cellpadding="0" align="center"> <tr style="vertical-align: bottom"> <td style="font-size: 10pt"> </td> <td style="font-size: 10pt; font-weight: bold"> </td> <td colspan="3" style="font-size: 10pt; font-weight: bold; text-align: center">Number of Underlying</td> </tr> <tr style="vertical-align: bottom"> <td style="font-size: 10pt"> </td> <td style="font-size: 10pt; font-weight: bold; padding-bottom: 1pt"> </td> <td colspan="3" style="font-size: 10pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">Warrants</td> </tr> <tr style="vertical-align: bottom"> <td style="font-size: 10pt"> </td> <td style="font-size: 10pt"> </td> <td colspan="3" style="font-size: 10pt"> </td> </tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 85%; font-size: 10pt">Outstanding at June 30, 2018</td> <td style="width: 1%; font-size: 10pt"> </td> <td style="width: 1%; font-size: 10pt; text-align: left"> </td> <td style="width: 12%; font-size: 10pt; text-align: right"><div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">1,676,021</div></td> <td style="width: 1%; font-size: 10pt; text-align: left"> </td> </tr> <tr style="vertical-align: bottom; background-color: White"> <td style="font-size: 10pt">Granted</td> <td style="font-size: 10pt"> </td> <td style="font-size: 10pt; text-align: left"> </td> <td style="font-size: 10pt; text-align: right"><div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">100,000</div></td> <td style="font-size: 10pt; text-align: left"> </td> </tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-size: 10pt">Exercised</td> <td style="font-size: 10pt"> </td> <td style="font-size: 10pt; text-align: left"> </td> <td style="font-size: 10pt; text-align: right"><div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">—</div></td> <td style="font-size: 10pt; text-align: left"> </td> </tr> <tr style="vertical-align: bottom; background-color: White"> <td style="font-size: 10pt; padding-bottom: 1pt">Forfeited</td> <td style="font-size: 10pt; padding-bottom: 1pt"> </td> <td style="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left"> </td> <td style="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right"><div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">—</div></td> <td style="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left"> </td> </tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-size: 10pt; padding-bottom: 2.5pt">Outstanding at December 31, 2018</td> <td style="font-size: 10pt; padding-bottom: 2.5pt"> </td> <td style="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left"> </td> <td style="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right"><div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">1,776,021</div></td> <td style="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left"> </td> </tr> <tr style="vertical-align: bottom; background-color: White"> <td style="font-size: 10pt; padding-bottom: 2.5pt">Exercisable at December 31, 2018</td> <td style="font-size: 10pt; padding-bottom: 2.5pt"> </td> <td style="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left"> </td> <td style="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right"><div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">1,701,021</div></td> <td style="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left"> </td> </tr> </table></div>" id="sjs-B6">&lt;div style="display: inline; font-family: times new roman; font-size: 10pt">&lt;table style="border-collapse: collapse; min-; min-width: 700px;" cellspacing="0" cellpadding="0" align="center"> &lt;tr style="vertical-align: bottom"> &lt;td style="font-size: 10pt">&nbsp;&lt;/td> &lt;td style="font-size: 10pt; font-weight: bold">&nbsp;&lt;/td> &lt;td colspan="3" style="font-size: 10pt; font-weight: bold; text-align: center">Number of Underlying&lt;/td> &lt;/tr> &lt;tr style="vertical-align: bottom"> &lt;td style="font-size: 10pt">&nbsp;&lt;/td> &lt;td style="font-size: 10pt; font-weight: bold; padding-bottom: 1pt">&nbsp;&lt;/td> &lt;td colspan="3" style="font-size: 10pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">Warrants&lt;/td> &lt;/tr> &lt;tr style="vertical-align: bottom"> &lt;td style="font-size: 10pt">&nbsp;&lt;/td> &lt;td style="font-size: 10pt">&nbsp;&lt;/td> &lt;td colspan="3" style="font-size: 10pt">&nbsp;&lt;/td> &lt;/tr> &lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> &lt;td style="width: 85%; font-size: 10pt">Outstanding at June 30, 2018&lt;/td> &lt;td style="width: 1%; font-size: 10pt">&nbsp;&lt;/td> &lt;td style="width: 1%; font-size: 10pt; text-align: left">&nbsp;&lt;/td> &lt;td style="width: 12%; font-size: 10pt; text-align: right">&lt;div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">1,676,021&lt;/div>&lt;/td> &lt;td style="width: 1%; font-size: 10pt; text-align: left">&nbsp;&lt;/td> &lt;/tr> &lt;tr style="vertical-align: bottom; background-color: White"> &lt;td style="font-size: 10pt">Granted&lt;/td> &lt;td style="font-size: 10pt">&nbsp;&lt;/td> &lt;td style="font-size: 10pt; text-align: left">&nbsp;&lt;/td> &lt;td style="font-size: 10pt; text-align: right">&lt;div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">100,000&lt;/div>&lt;/td> &lt;td style="font-size: 10pt; text-align: left">&nbsp;&lt;/td> &lt;/tr> &lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> &lt;td style="font-size: 10pt">Exercised&lt;/td> &lt;td style="font-size: 10pt">&nbsp;&lt;/td> &lt;td style="font-size: 10pt; text-align: left">&nbsp;&lt;/td> &lt;td style="font-size: 10pt; text-align: right">&lt;div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">&#x2014;&lt;/div>&lt;/td> &lt;td style="font-size: 10pt; text-align: left">&nbsp;&lt;/td> &lt;/tr> &lt;tr style="vertical-align: bottom; background-color: White"> &lt;td style="font-size: 10pt; padding-bottom: 1pt">Forfeited&lt;/td> &lt;td style="font-size: 10pt; padding-bottom: 1pt">&nbsp;&lt;/td> &lt;td style="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;&lt;/td> &lt;td style="border-bottom: Black 1pt solid; font-size: 10pt; text-align: right">&lt;div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">&#x2014;&lt;/div>&lt;/td> &lt;td style="border-bottom: Black 1pt solid; font-size: 10pt; text-align: left">&nbsp;&lt;/td> &lt;/tr> &lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> &lt;td style="font-size: 10pt; padding-bottom: 2.5pt">Outstanding at December 31, 2018&lt;/td> &lt;td style="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;&lt;/td> &lt;td style="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">&nbsp;&lt;/td> &lt;td style="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">&lt;div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">1,776,021&lt;/div>&lt;/td> &lt;td style="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">&nbsp;&lt;/td> &lt;/tr> &lt;tr style="vertical-align: bottom; background-color: White"> &lt;td style="font-size: 10pt; padding-bottom: 2.5pt">Exercisable at December 31, 2018&lt;/td> &lt;td style="font-size: 10pt; padding-bottom: 2.5pt">&nbsp;&lt;/td> &lt;td style="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">&nbsp;&lt;/td> &lt;td style="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: right">&lt;div style="display: inline; font-style: italic; font-weight: inherit; font-style: normal;">1,701,021&lt;/div>&lt;/td> &lt;td style="border-bottom: Black 2.5pt double; font-size: 10pt; text-align: left">&nbsp;&lt;/td> &lt;/tr> &lt;/table>&lt;/div>
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	Risk-free rate of return 3.15% Expected life of award (years) 10 Expected dividend yield 0.00% Expected volatility of stock 94% Weighted-average grant date fair value $1.12
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]	Three Months Ended Six Months Ended 2018 2017 2018 2017 2005 and 2015 Incentive Plans $ 75 $ 92 $ 218 $ 337 Warrants and common stock 27 213 98 213 Total stock-based compensation expense $ 102 $ 305 $ 316 $ 550

Note 12 - Segment Information (

Note 12 - Segment Information (Tables)	6 Months Ended
	Dec. 31, 2018
Notes Tables
Reconciliation of Revenue from Segments to Consolidated [Table Text Block]	Three Months Ended Six Months Ended 2018 2017 2018 2017 Revenue: SES Foreign Operating $ — $ 52 $ — $ 144 Technology licensing and related services — 25 — 201 Corporate & other — — — — Total revenue $ — $ 77 $ — $ 345 Depreciation and amortization: SES Foreign Operating $ 2 $ 3 $ 4 $ 6 Technology licensing and related services — — — — Corporate & other 6 6 15 12 Total depreciation and amortization $ 8 $ 9 $ 19 $ 18 Operating loss: SES Foreign Operating $ (243 ) $ (4 ) $ (349 ) $ (258 ) Technology licensing and related services (477 ) (454 ) (972 ) (650 ) Corporate & other (1,182 ) (1,304 ) (2,271 ) (2,378 ) Total operating loss $ (1,902 ) $ (1,762 ) $ (3,592 ) $ (3,286 ) Interest Expense: SES Foreign Operating $ — $ — $ — $ — Technology licensing and related services — — — — Corporate & other 329 233 653 233 Total interest expense $ 329 $ 233 $ 653 $ 233
Reconciliation of Assets from Segment to Consolidated [Table Text Block]	December 31, June 30, Assets: SES Foreign Operating $ 6,409 $ 7,402 Technology licensing and related services 1,010 984 Corporate 3,062 5,928 Total assets $ 10,481 $ 14,314

Note 1 - Business and Liquidi_2

Note 1 - Business and Liquidity (Details Textual) - USD ($) $ in Thousands	Feb. 05, 2019	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Cash and Cash Equivalents, at Carrying Value, Ending Balance		$ 3,428	$ 7,071	$ 10,333	$ 4,988
Working Capital		(3,000)
Subsequent Event [Member]
Cash and Cash Equivalents, at Carrying Value, Ending Balance	$ 2,900
Subsequent Event [Member] | UNITED STATES
Cash and Cash Equivalents, at Carrying Value, Ending Balance	1,600
Subsequent Event [Member] | CHINA
Cash and Cash Equivalents, at Carrying Value, Ending Balance	1,300
Chinese Bank Acceptance Notes [Member]
Short-term Investments, Total		$ 100
Chinese Bank Acceptance Notes [Member] | Subsequent Event [Member]
Short-term Investments, Total	$ 100
AFE [Member]
Equity Method Investment, Ownership Percentage		38.00%
SEE [Member]
Equity Method Investment, Ownership Percentage		50.00%

Note 2 - Summary of Significa_3

Note 2 - Summary of Significant Accounting Policies (Details Textual)	Dec. 04, 2017	Dec. 31, 2018USD ($)
Debentures [Member]
Debt Instrument, Face Amount		$ 8,000,000
Increase in Accumulated Deficit and Noncontrolling Interest [Member] | Three Months Ended Dec. 31, 2017 [Member]
Prior Period Reclassification Adjustment		374,000
Increase in Accumulated Deficit and Noncontrolling Interest [Member] | Six Months Ended Dec. 31, 2017 [Member]
Prior Period Reclassification Adjustment		418,000
Increase in Noncontrolling Interest [Member] | June 30, 2017 [Member]
Prior Period Reclassification Adjustment		477,000
Decrease in Accumulated Other Comprehensive Income [Member] | June 30, 2017 [Member]
Prior Period Reclassification Adjustment		3,200,000
Decrease in Accumulated Deficit [Member] | June 30, 2017 [Member]
Prior Period Reclassification Adjustment		2,700,000
Decrease in Revenue [Member] | Three Months Ended Sept. 30, 2018 [Member]
Prior Period Reclassification Adjustment		$ 67,000
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	8

Note 2 - Summary of Significa_4

Note 2 - Summary of Significant Accounting Policies - Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands		Dec. 31, 2018	Jun. 30, 2018
Fair Value, Measurements, Recurring [Member]
Derivative Liabilities			$ 1,964
Fair Value, Measurements, Recurring [Member] | Derivative Financial Instruments, Liabilities [Member]
Derivative Liabilities		$ 454
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Derivative Liabilities			1,964
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Derivative Financial Instruments, Liabilities [Member]
Derivative Liabilities		454
Certificates of Deposit [Member] | Fair Value, Measurements, Recurring [Member]
Assets, fair value		50	50
Certificates of Deposit [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets, fair value	[1]	50	50
Money Market Funds [Member] | Fair Value, Measurements, Recurring [Member]
Assets, fair value		1,452	4,345
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets, fair value	[2]	$ 1,452	4,345
Investment in Yima Joint Ventures [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets, fair value			5,000
Investment in Yima Joint Ventures [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets, fair value			$ 5,000
[1]	Amount included in current assets on the Company's consolidated balance sheets.
[2]	Amount included in cash and cash equivalents on the Company's consolidated balance sheets.

Note 2 - Summary of Significa_5

Note 2 - Summary of Significant Accounting Policies - Fair Value of Derivative Liabilities (Details) - Derivative Financial Instruments, Liabilities [Member] $ in Thousands	6 Months Ended
	Dec. 31, 2018USD ($)
Derivative liabilities balance	$ 1,964
Change in fair value	(1,510)
Derivative liabilities balance	$ 454

Note 4 - Current Projects (Deta

Note 4 - Current Projects (Details Textual) ¥ in Thousands	May 10, 2017USD ($)	Oct. 31, 2018	Aug. 31, 2018USD ($)	Jul. 31, 2018USD ($)	Jul. 31, 2018AUD ($)	Mar. 31, 2018USD ($)	Jan. 31, 2018USD ($)	Aug. 31, 2017USD ($)	Aug. 31, 2017CNY (¥)	Dec. 31, 2018USD ($)	Dec. 31, 2017USD ($)	Dec. 31, 2018USD ($)	Dec. 31, 2017USD ($)	Jun. 30, 2018USD ($)	Jun. 30, 2017USD ($)	Dec. 31, 2018USD ($)	Dec. 31, 2018CNY (¥)	Dec. 31, 2018USD ($)	Dec. 31, 2018CNY (¥)	Jan. 31, 2018CNY (¥)	Dec. 31, 2017CNY (¥)
Income (Loss) from Equity Method Investments, Total										$ (100,000)	$ (206,000)	$ (24,000)	$ (321,000)
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Total										5,023,000		5,023,000		$ 5,036,000		$ 5,023,000		$ 5,023,000
Yima Joint Venture [Member] | Third Parties [Member]
Long-term Debt, Total										8,700,000		8,700,000				8,700,000		8,700,000	¥ 59,800
Long-term Debt, Maturities, Repayments of Principal in Four Months										4,900,000		4,900,000				4,900,000		4,900,000
Long-term Debt, Maturities, Repayments of Principal in Year Two										3,800,000		$ 3,800,000				3,800,000		3,800,000
Batchfire [Member]
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage												11.00%
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Total										$ 0		$ 0		0		$ 0		$ 0
Pentland Coal Mine [Member] | GNE [Member]
Variable Interest Entity Ownership Percentage, Sold		100.00%
AFE [Member]
Services Revenue, Delivery of a Process Design Package	$ 2,000,000
Origination of Notes Receivable from Related Parties				$ 260,000	$ 350,000
Loan Receivable, Term				90 days	90 days
Loan Receivable, State Interest Rate				6.00%	6.00%
Payments to Acquire Equity Method Investments						$ 160,000		$ 470,000
Equity Method Investment, Ownership Percentage										38.00%		38.00%				38.00%		38.00%	38.00%
Townsville Metals Infrastructure Pty Ltd [Member] | AFE [Member]
Equity Method Investment, Ownership Percentage			38.00%
Cape River Resources Pty Ltd [Member] | AFE [Member]
Equity Method Investment, Ownership Percentage		38.00%
SES EnCoal Energy [Member]
Payments to Acquire Equity Method Investments			$ 11,000			$ 76,000	$ 6,000
Equity Method Investment, Ownership Percentage										50.00%		50.00%				50.00%		50.00%	50.00%
Equity Method Investments										$ 23,000		$ 23,000		36,000		$ 23,000		$ 23,000
Yima Joint Venture [Member]
Equity Method Investment, Ownership Percentage										25.00%		25.00%				25.00%		25.00%	25.00%
Due from Joint Ventures							$ 2,300,000				$ 2,300,000		2,300,000							¥ 16,000	¥ 16,000
Proceeds from Reimbursement of Construction Costs by Joint Venture																$ 900,000	¥ 6,150
Cost-method Investments, Other than Temporary Impairment														3,500,000	$ 17,700,000
Cost Method Investments										$ 5,000,000		$ 5,000,000		$ 5,000,000		$ 5,000,000		$ 5,000,000
Yima Joint Venture [Member] | Yima [Member]
Equity Method Investment, Ownership Percentage										75.00%		75.00%				75.00%		75.00%	75.00%
TSEC Joint Venture [Member]
Equity Method Investment, Ownership Percentage								25.00%	25.00%
TSEC Joint Venture [Member] | Pro Forma [Member]
Income (Loss) from Equity Method Investments, Total												$ 0.10	$ 300,000					$ (3,600,000)
TSEC Joint Venture [Member] | Payments of Remaining Funds Related to the Restructuring Agreement [Member]
Revenue from Related Parties								$ 1,700,000	¥ 11,150
TSEC Joint Venture [Member] | Payments of Outstanding Invoices for Services [Member]
Revenue from Related Parties								$ 180,000	¥ 1,200
TSEC Joint Venture [Member] | Innovative Coal Chemical Design Institute [Member]
Equity Method Investment, Ownership Percentage								25.00%	25.00%
TSEC Joint Venture [Member] | Suzhou Tianwo Science and Technology Co Ltd [Member]
Equity Method Investment, Ownership Percentage								50.00%	50.00%

Note 4 - Current Projects - Equ

Note 4 - Current Projects - Equity Method Investment, Summarized Financial Information, Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
AFE [Member]
Net income/( loss)	$ (289)	$ (522)	$ 9	$ (1,013)
TSEC Joint Venture [Member]
Net income/( loss)	(259)	(643)	(466)	(1,241)
Revenue		109		109
Operating loss	$ (259)	$ (643)	$ (466)	$ (1,241)

Note 4 - Current Projects - E_2

Note 4 - Current Projects - Equity Method Investment, Summarized Financial Information, Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Jun. 30, 2018
AFE [Member]
Total assets	$ 918	$ 725
Total Equity	563	549
TSEC Joint Venture [Member]
Total Equity	1,959	7,444
Current assets	4,322	5,918
Noncurrent assets	1,314	5,464
Current liabilities	3,677	3,938
Noncurrent liabilities

Note 5 - Senior Secured Deben_3

Note 5 - Senior Secured Debentures (Details Textual) - USD ($)	Oct. 24, 2017	Oct. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2018
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			1,070,000		1,070,000		1,070,000
Proceeds from Sale of Debentures	$ 7,400,000
Interest Expense, Total			$ 329,000	$ 233,000	$ 653,000	$ 233,000
T.R. Winston and Company, LLC [Member]
Payment of Financing and Stock Issuance Costs, Total	$ 560,000
Percentage of Face Amount of Debentures	7.00%
Percentage of Shares to Purchaser	7.00%
Warrants Issued, Securities Purchase Agreement [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	1,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 4
Warrants and Rights Outstanding	$ 2,000,000
Warrants Issued, Securities Purchase Agreement [Member] | Measurement Input, Exercise Price [Member]
Warrants and Rights Outstanding, Measurement Input	1.9528
Placement Agent Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	70,000
Warrants and Rights Outstanding	$ 137,000
Senior Secured Debentures [Member]
Debt Instrument, Face Amount	$ 8,000,000
Debt Instrument, Term	5 years	5 years
Debt Instrument, Interest Rate, Stated Percentage	11.00%
Debt Instrument, Interest Rate, In the Event of Default	18.00%
Debt Issuance Costs, Net, Total	$ 1,000,000			100,000		100,000
Debt Instrument, Unamortized Discount, Total	$ 2,000,000
Interest Expense, Total			$ 300,000	$ 200,000	$ 700,000	$ 200,000
Debt Instrument, Interest Rate, Effective Percentage			18.00%		18.00%

Note 5 - Senior Secured Deben_4

Note 5 - Senior Secured Debentures - Warrant Valuation (Details) $ / shares in Units, $ in Millions	Oct. 24, 2017USD ($)yr$ / sharesshares	Dec. 31, 2018shares	Jun. 30, 2018shares
Total Number of Warrants Issued: (in shares)		1,070,000	1,070,000
Contracted Conversion Ratio:		1	1
Warrants Issued, Securities Purchase Agreement [Member]
Total Number of Warrants Issued: (in shares)	1,000,000
Contracted Conversion Ratio:	1
Warrant Exercise Price (USD) (in dollars per share) | $ / shares	$ 4
Nominal Value (USD Mn): | $	$ 4
No of Shares on conversion (Mn): (in shares)	8,000,000
Warrants Issued, Securities Purchase Agreement [Member] | Measurement Input, Threshold Exercise Price Post Capital Raise [Member]
Threshold exercise price post Capital raise:	2.51
Warrants Issued, Securities Purchase Agreement [Member] | Measurement Input, Share Price [Member]
Threshold exercise price post Capital raise:	3.28
Warrants Issued, Securities Purchase Agreement [Member] | Measurement Input, Expected Term [Member]
Threshold exercise price post Capital raise: | yr	5
Warrants Issued, Securities Purchase Agreement [Member] | Measurement Input, Price Volatility [Member]
Threshold exercise price post Capital raise:	0.66
Warrants Issued, Securities Purchase Agreement [Member] | Measurement Input, Price Volatility Per-period Equivalent [Member]
Threshold exercise price post Capital raise:	0.191
Warrants Issued, Securities Purchase Agreement [Member] | Measurement Input, Risk Free Interest Rate [Member]
Threshold exercise price post Capital raise:	0.0204
Warrants Issued, Securities Purchase Agreement [Member] | Measurement Input, Risk Free Interest Rate Per-period Equivalent [Member]
Threshold exercise price post Capital raise:	0.0017

Note 6 - Derivative Liabiliti_3

Note 6 - Derivative Liabilities - Assumptions Used to Value Derivatives (Details) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
		Dec. 31, 2018USD ($)shares	Dec. 31, 2017USD ($)	Dec. 31, 2018USD ($)shares	Dec. 31, 2017USD ($)	Jun. 30, 2018USD ($)shares
Total Number of Warrants Issued: (in shares) | shares		1,070,000		1,070,000		1,070,000
Nominal Value (USD Mn):		$ 4,300		$ 4,300		$ 4,300
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares		1,070,000		1,070,000		1,070,000
Contracted Conversion Ratio:		1				1
Fair Value without Anti-Dilution Protection:		$ 199		$ 199		$ 1,704
Fair Value of Embedded Derivative:		255		255		260
Fair Value of the Warrants Issued:		454		454		1,964
Gain/(Loss) on Fair Value Adjustments to Derivative Liabilities		$ 702	$ 439	$ 1,510	$ 439	$ 126
Measurement Input, Exercise Price [Member]
Derivative liability, measurement input		4		4		4
Measurement Input, Threshold Exercise Price Post Capital Raise [Member]
Derivative liability, measurement input	[1],[2]	0.7		0.7		2.15
Measurement Input, Share Price [Member]
Derivative liability, measurement input		0.79		0.79		3.28
Measurement Input, Expected Term [Member]
Derivative liability, measurement input		3.8		3.8		4.3
Measurement Input, Price Volatility [Member]
Derivative liability, measurement input		0.79		0.79		0.65
Measurement Input, Price Volatility Per-period Equivalent [Member]
Derivative liability, measurement input		0.228		0.228		0.188
Measurement Input, Risk Free Interest Rate [Member]
Derivative liability, measurement input		0.0249		0.0249		0.0271
Measurement Input, Risk Free Interest Rate Per-period Equivalent [Member]
Derivative liability, measurement input		0.002		0.002		0.0022
[1]	Next Capital Raise Date was assumed to be within a year of the debt offering and each valuation date. This was assumed as the Company has registered some type of capital raise in each year for the past 3 years. The Company may not have executed the capital raise but did register.
[2]	Threshold Exercise Price Post Capital Raise is assumed to be the 52-week low closing price, not to be confused with the 52-week low of the stock price.

Note 7 - Risks and Uncertaint_2

Note 7 - Risks and Uncertainties (Details Textual) - USD ($)	Feb. 05, 2019	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Cash and Cash Equivalents, at Carrying Value, Ending Balance		$ 3,428,000	$ 7,071,000	$ 10,333,000	$ 4,988,000
Working Capital		(3,000,000)
Yima Joint Venture [Member]
Cost Method Investments		5,000,000	$ 5,000,000
Chinese Bank Acceptance Notes [Member]
Short-term Investments, Total		$ 100,000
Subsequent Event [Member]
Cash and Cash Equivalents, at Carrying Value, Ending Balance	$ 2,900,000
Subsequent Event [Member] | UNITED STATES
Cash and Cash Equivalents, at Carrying Value, Ending Balance	1,600,000
Subsequent Event [Member] | CHINA
Cash and Cash Equivalents, at Carrying Value, Ending Balance	1,300,000
Subsequent Event [Member] | Chinese Bank Acceptance Notes [Member]
Short-term Investments, Total	$ 100,000

Note 8 - GTI License Agreement

Note 8 - GTI License Agreement (Details Textual) - GTI License Agreement [Member]	Nov. 01, 2009
Percentage of Coal Content in Biomass Mixture	60.00%
Percentage of Biomass	100.00%
Percentage of Coal Biomass Blends	40.00%
Number of Business Days to Provide Approval Or Nonapproval Notice Regarding Sublicense	10 days
Period of Updates On Any Potential Subsidiaries	90 days
Period of Restriction from Disclosing Confidential Information	10 years

Note 9 - Equity (Details Textua

Note 9 - Equity (Details Textual) - USD ($)	Jul. 12, 2018	Sep. 30, 2018	Dec. 31, 2018	Oct. 31, 2018	Jun. 30, 2018
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			1,070,000		1,070,000
Warrants Issued to MDC [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights				100,000
Class of Warrant or Right, Exercise Price of Warrants or Rights				$ 1.30
Warrants and Rights Outstanding				$ 100,000
The 2015 and 2005 Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			2,625,000
The 2015 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			359,787
The 2015 Plan [Member] | Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period			10 years
The 2015 Plan [Member] | Employee Stock Option [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			1 year
The 2015 Plan [Member] | Employee Stock Option [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			4 years
ILL-Sino Development Inc [Member]
Stock Issued During Period, Shares, Issued for Services	22,890
Shares Issued, Price Per Share	$ 3.08
Stock Issued During Period, Value, Issued for Services		$ 71,000

Note 9 - Equity - Restricted St

Note 9 - Equity - Restricted Stock Activity (Details) - Restricted Stock [Member]	6 Months Ended
	Dec. 31, 2018shares
Unvested shares outstanding, beginning balance (in shares)	9,837
Unvested shares granted (in shares)
Unvested shares vested (in shares)
Unvested shares forfeited (in shares)
nvested shares outstanding, ending balance (in shares)	9,837

Note 9 - Equity - Stock Option

Note 9 - Equity - Stock Option Activity (Details)	6 Months Ended
	Dec. 31, 2018shares
Outstanding, beginning balance (in shares)	1,720,732
Granted (in shares)
Exercised (in shares)
Forfeited (in shares)	(16,979)
Outstanding, ending balance (in shares)	1,703,753
Exercisable (in shares)	1,687,052

Note 9 - Equity - Stock Warrant

Note 9 - Equity - Stock Warrants Activity (Details)	6 Months Ended
	Dec. 31, 2018shares
Outstanding, beginning balance (in shares)	1,676,021
Granted (in shares)	100,000
Exercised (in shares)
Forfeited (in shares)
Outstanding at December 31, 2018 (in shares)	1,776,021
Exercisable at December 31, 2018 (in shares)	1,701,021

Note 9 - Equity - Weighted Aver

Note 9 - Equity - Weighted Average Assumptions (Details) - Stock Warrants [Member]	6 Months Ended
	Dec. 31, 2018$ / shares
Risk-free rate of return	3.15%
Expected life of award (years) (Year)	10 years
Expected dividend yield	0.00%
Expected volatility of stock	94.00%
Weighted-average grant date fair value (in dollars per share)	$ 1.12

Note 9 - Equity - Stock-based C

Note 9 - Equity - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Stock-based expense	$ 102	$ 305	$ 316	$ 550
Incentive Plan [Member]
Stock-based expense	75	92	218	337
Warrants and Stock [Member]
Stock-based expense	$ 27	$ 213	$ 98	$ 213

Note 10 - Net Loss Per Share (D

Note 10 - Net Loss Per Share (Details Textual) shares in Millions	Dec. 04, 2017	Dec. 31, 2018shares	Dec. 31, 2017shares
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		3.5	3.3
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	8

Note 11 - Commitments and Con_2

Note 11 - Commitments and Contingencies (Details Textual) - USD ($)	Nov. 30, 2018	Oct. 24, 2017	Oct. 31, 2017
Senior Secured Debentures [Member]
Debt Instrument, Term		5 years	5 years
Corporate Office [Member]
Lessee, Operating Lease, Term of Contract			1 year 30 days
Operating Leases, Rent Expense, Per Month			$ 18,000
Office Lease [Member]
Lessee, Operating Lease, Term of Contract	1 year
Operating Leases, Rent Expense, Per Month	$ 3,300

Note 12 - Segment Information -

Note 12 - Segment Information - Statement of Operations Data by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Revenue		$ 77		$ 345
Depreciation and amortization	8	9	19	18
SES Foreign Operating	(1,903)	(1,762)	(3,592)	(3,286)
Interest expense	329	233	653	233
SES China [Member]
Revenue		52		144
Depreciation and amortization	2	3	4	6
SES Foreign Operating	(243)	(4)	(349)	(258)
Interest expense
Technology Licensing and Related Services [Member]
Revenue		25		201
Depreciation and amortization
SES Foreign Operating	(477)	(454)	(972)	(650)
Interest expense
Corporate and Other [Member]
Revenue
Depreciation and amortization	6	6	15	12
SES Foreign Operating	(1,182)	(1,304)	(2,271)	(2,378)
Interest expense	$ 329	$ 233	$ 653	$ 233

Note 12 - Segment Information_2

Note 12 - Segment Information - Assets Data by Segment (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Jun. 30, 2018
Assets	$ 10,481	$ 14,314
SES Foreign Operating [Member]
Assets	6,409	7,402
Technology Licensing and Related Services [Member]
Assets	1,010	984
Corporate Segment [Member]
Assets	$ 3,062	$ 5,928