Towerstream (TWER) 10-Q 20 Aug 18 2018 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Aug. 17, 2018
Document Information [Line Items]
Entity Registrant Name	TOWERSTREAM CORP
Entity Central Index Key	1,349,437
Trading Symbol	twer
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)		394,409
Document Type	10-Q
Document Period End Date	Jun. 30, 2018
Document Fiscal Year Focus	2,018
Document Fiscal Period Focus	Q2
Amendment Flag	false

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Current Assets
Cash and cash equivalents	$ 4,659,088	$ 7,568,982
Accounts receivable, net of reserves for uncollectible accounts of $195,440 and $95,884, respectively	565,029	912,333
Prepaid expenses and other current assets	343,605	242,320
Total Current Assets	5,567,722	8,723,635
Property and equipment, net	12,164,741	13,430,980
Intangible assets, net	1,602,841	2,242,471
Goodwill	1,674,281	1,674,281
Other assets	433,857	386,047
Total Assets	21,443,442	26,457,414
Current Liabilities
Accounts payable	90,210	1,150,861
Accrued expenses	789,153	1,622,036
Accrued interest	1,140,944	722,629
Deferred revenues	1,066,882	934,450
Current maturities of capital lease obligations	326,773	382,918
Current liabilities of discontinued operations	1,016,739	1,029,022
Deferred rent	103,626	78,048
Long-term debt (callable), net of debt discounts and deferred financing costs of $300,482 and $789,287, respectively	35,054,130	33,868,700
Total Current Liabilities	39,588,457	39,788,664
Long-Term Liabilities
Capital lease obligations, net of current maturities	470,654	305,947
Other	718,786	754,203
Total Long-Term Liabilities	1,189,440	1,060,150
Total Liabilities	40,777,897	40,848,814
Commitments (Note 16)
Stockholders' Deficit
Common stock, par value $0.001; 200,000,000 shares authorized; 394,409 shares issued and outstanding as of June 30, 2018 and December 31, 2017, respectively	394	394
Additional paid-in-capital	174,844,680	174,733,113
Accumulated deficit	(194,179,531)	(189,124,909)
Total Stockholders' Deficit	(19,334,455)	(14,391,400)
Total Liabilities, Series I Preferred Stock and Stockholders' Deficit	21,443,442	26,457,414
Series I Preferred Stock [Member]
Long-Term Liabilities
Series I Preferred – 100 and 0 shares issued and outstanding, respectively; (Liquidation value – Note 10)
Stockholders' Deficit
Series I Preferred – 100 and 0 shares issued and outstanding, respectively; (Liquidation value – Note 10)
Series G Convertible Preferred Stock [Member]
Long-Term Liabilities
Series I Preferred – 100 and 0 shares issued and outstanding, respectively; (Liquidation value – Note 10)	1	1
Stockholders' Deficit
Series I Preferred – 100 and 0 shares issued and outstanding, respectively; (Liquidation value – Note 10)	1	1
Series H Convertible Preferred Stock [Member]
Long-Term Liabilities
Series I Preferred – 100 and 0 shares issued and outstanding, respectively; (Liquidation value – Note 10)	1	1
Stockholders' Deficit
Series I Preferred – 100 and 0 shares issued and outstanding, respectively; (Liquidation value – Note 10)	$ 1	$ 1

Condensed Consolidated Balance3

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Accounts receivable, reserves for uncollectable accounts	$ 195,440	$ 95,884
Debt discount, current	$ 300,482	$ 789,287
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	200,000,000	200,000,000
Common stock, issued (in shares)	394,409	394,409
Common stock, outstanding (in shares)	394,409	394,409
Series I Preferred Stock [Member]
Preferred stock, shares issued (in shares)	100	0
Preferred stock, shares outstanding (in shares)	100	0
Series G Convertible Preferred Stock [Member]
Preferred stock, shares issued (in shares)	538	538
Preferred stock, shares outstanding (in shares)	538	538
Preferred stock, liquidation value	$ 538,000	$ 538,000
Series H Convertible Preferred Stock [Member]
Preferred stock, shares issued (in shares)	501	501
Preferred stock, shares outstanding (in shares)	501	501
Preferred stock, liquidation value	$ 501,000	$ 501,000

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues	$ 6,220,758	$ 6,517,817	$ 12,662,560	$ 13,090,134
Operating Expenses
Infrastructure and access	2,756,943	2,622,723	5,445,665	5,331,034
Depreciation and amortization	1,603,807	2,100,281	3,307,404	4,533,782
Network operations	684,516	1,085,249	1,749,766	2,286,156
Customer support	362,844	391,335	837,660	759,017
Sales and marketing	385,661	976,790	1,133,662	1,841,766
General and administrative	840,689	1,514,141	2,008,450	3,051,869
Total Operating Expenses	6,634,460	8,690,519	14,482,607	17,803,624
Operating Loss	(413,702)	(2,172,702)	(1,820,047)	(4,713,490)
Other Expense
Interest expense, net	(1,817,477)	(1,295,041)	(3,234,575)	(2,567,313)
Total Other Expense	(1,817,477)	(1,295,041)	(3,234,575)	(2,567,313)
Net Loss	(2,231,179)	(3,467,743)	(5,054,622)	(7,280,803)
Deemed dividend to Series D and Series F preferred stockholders		(1,905,570)		(1,905,570)
Net loss attributable to common stockholders	$ (2,231,179)	$ (5,373,313)	$ (5,054,622)	$ (9,186,373)
Net loss per common share – basic and diluted (in dollars per share)	$ (5.66)	$ (17.91)	$ (12.82)	$ (32.63)
Weighted average common shares outstanding – basic and diluted (in shares)	394,409	299,983	394,409	281,546

Condensed Consolidated Stateme5

Condensed Consolidated Statement of Stockholders' Deficit (Unaudited) - 6 months ended Jun. 30, 2018 - USD ($)	Preferred Stock [Member]Series G Convertible Preferred Stock [Member]	Preferred Stock [Member]Series H Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2017	538	501	394,409
Balance at Dec. 31, 2017	$ 1	$ 1	$ 394	$ 174,733,113	$ (189,124,909)	$ (14,391,400)
Stock based compensation for options				111,567		111,567
Net loss					(5,054,622)	(5,054,622)
Balance (in shares) at Jun. 30, 2018	538	501	394,409
Balance at Jun. 30, 2018	$ 1	$ 1	$ 394	$ 174,844,680	$ (194,179,531)	$ (19,334,455)

Condensed Consolidated Stateme6

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash Flows From Operating Activities
Net loss	$ (5,054,622)	$ (7,280,803)
Adjustments to reconcile loss from continuing operations to net cash used in continuing operating activities:
Provision for doubtful accounts	141,000	7,000
Depreciation for property and equipment	2,667,774	3,763,394
Amortization for intangible assets	639,630	770,388
Amortization for debt discount and deferred financing costs	488,805	557,022
Interest added to principal	696,625	661,677
Accrued interest	418,315
Stock-based compensation - Options	111,567	667,821
Stock-based compensation - Employee stock purchase plan		53
Loss on the sale of property, plant and equipment	42,152
Deferred rent	(9,839)	(55,370)
Changes in operating assets and liabilities:
Accounts receivable	206,304	(286,266)
Prepaid expenses and other current assets	(101,285)	(12,123)
Other assets	(47,810)	(3,328)
Accounts payable	(1,060,651)	(29,106)
Accrued expenses	(912,332)	(159,686)
Deferred revenues	132,432	(32,467)
Total Adjustments	3,412,687	5,849,009
Net Cash Used In Continuing Operating Activities	(1,641,935)	(1,431,794)
Net Cash (Used In) Provided By Discontinued Operating Activities	(12,283)	80,882
Net Cash Used In Operating Activities	(1,654,218)	(1,350,912)
Cash Flows From Investing Activities
Acquisitions of property and equipment	(964,390)	(1,460,829)
Proceeds from the sale of property, plant and equipment	15,000
Change in security deposits		(12,925)
Net Cash Used In Investing Activities	(949,390)	(1,473,754)
Cash Flows From Financing Activities
Repayments of capital lease obligations	(306,286)	(479,231)
Issuance of common stock under employee stock purchase plan		305
Net Cash Used In Financing Activities	(306,286)	(478,926)
Continuing Operations	(2,897,611)	(3,384,474)
Discontinued Operations	(12,283)	80,882
Net Decrease In Cash and Cash Equivalents	(2,909,894)	(3,303,592)
Cash and Cash Equivalents - Beginning	7,568,982	12,272,444
Cash and Cash Equivalents - Ending	4,659,088	8,968,852
Interest	1,671,680	1,354,804
Income taxes	12,794	13,440
Acquisition of property and equipment:
Included in accrued expenses	240,594	201,222
Included in capital leases	414,848
Interest added to principal	$ 696,625	$ 661,677

Note 1 - Organization and Natur

Note 1 - Organization and Nature of Business	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Nature of Operations [Text Block]	Note 1. Towerstream Corporation (referred to as “Towerstream” or the “Company”) was incorporated in Delaware in December 1999. first five

Note 2 - Liquidity, Going Conce

Note 2 - Liquidity, Going Concern, and Management Plans	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Liquidity and Management Plans [Text Block]	Note 2. The accompanying condensed consolidated financial statements have been prepared on a going concern basis, which contemplates the realization of assets and the satisfaction of liabilities in the normal course of business. As of June 30, 2018, $4.7 $34.0 June 30, 2018, $194.2 one not The Company has monitored and reduced certain of its operating costs over the course of 2017 first 2018. no no may no In March 2018, no not In May 2018, $2,000,000 9 , Long-Term Debt $1,000,000 $1,000,000 $45,000,000 $55,000,000.

Note 3 - Summary of Significant

Note 3 - Summary of Significant Accounting Policies	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Significant Accounting Policies [Text Block]	Note 3. Basis of Presentation. 10 10 X not June 30, 2018 three six June 30, 2018 not These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes thereto included in the Company’s Annual Report on Form 10 December 31, 2017. 10 December 31, 2017, 10 Retroactive Adjustment for Reverse Stock Split. September 29, 2017, one seventy-five Use of Estimates. Concentration of Credit Risk. may June 30, 2018, $4.4 $250,000. Intrinsic Value of Stock Options and Warrants Goodwill not fourth may not No 50 no three six June 30, 2018. Recent Accounting Pronouncements May 2014 , No. 2014 09 2014 09 ” 2014 19 one 606, 606” 606 606 January 1, 2018 14, Revenues Reclassifications. no Subsequent Events

Note 4 - Discontinued Operation

Note 4 - Discontinued Operations	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]	Note 4. During the fourth 2015, fourth 2015 first 2016 March 9, 2016, three two one sixty $2,660,041 $3,837,783. The components of the balance sheet accounts presented as discontinued operations were as follows: June 30, 2018 December 31, 2017 Liabilities: Accrued expenses - leases $ 1,016,739 $ 1,029,022 Total Current Liabilities $ 1,016,739 $ 1,029,022 Accrued expenses represent the estimated cost of terminating the leases associated with the Hetnets business. Accordingly, disbursements associated with such activity during the period ended June 30, 2018 June 30, 2018 $12,283 $1,016,739.

Note 5 - Property and Equipment

Note 5 - Property and Equipment, Net	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	Note 5. , Net Property and equipment, net is comprised of: June 30, 2018 December 31, 2017 Network and base station equipment $ 44,321,305 $ 43,573,869 Customer premise equipment 36,048,426 34,996,202 Information technology 4,885,481 4,881,332 Furniture, fixtures and other 1,715,524 1,715,524 Leasehold improvements 1,516,678 1,651,300 Accrual – equipment received not invoiced 240,594 605,646 88,728,008 87,423,873 Less: accumulated depreciation 76,563,267 73,992,893 Property and equipment, net $ 12,164,741 $ 13,430,980 Depreciation expense for the three June 30, 2018 2017 $1,283,992 $1,747,777, six June 30, 2018 2017 $2,667,774 $3,763,394, Property acquired through capital leases included within the Company’s property and equipment consists of the following: June 30, 201 8 December 31, 201 7 Network and base station equipment $ 2,680,000 $ 2,629,526 Customer premise equipment 1,633,747 1,269,373 Information technology 1,860,028 1,860,028 6,173,775 5,758,927 Less: accumulated depreciation 4,905,188 4,708,697 Property acquired through capital leases, net $ 1,268,587 $ 1,050,230

Note 6 - Goodwill and Intangibl

Note 6 - Goodwill and Intangible Assets, Net	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Intangible Assets Disclosure [Text Block]	Note 6. Goodwill and Intangible Assets, Net Goodwill and intangible assets, net consist of the following: June 30, 201 8 December 31, 201 7 Goodwill $ 1,674,281 $ 1,674,281 Backhaul agreement 3,837,783 3,837,783 Less: accumulated amortization 2,984,942 2,345,312 Backhaul agreement, net 852,841 1,492,471 FCC licenses 750,000 750,000 Intangible assets, net $ 1,602,841 $ 2,242,471 Amortization expense for the three June 30, 2018 2017 $319,815 $352,504, six June 30, 2018 2017 $639,630 $770,388, 4, three not Remainder of 2018 639,631 2019 213,210 Total $ 852,841

Note 7 - Accrued Expenses

Note 7 - Accrued Expenses	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Accrued Liabilities Disclosure [Text Block]	Note 7. Accrued expenses consist of the following: June 30, 201 8 December 31, 201 7 Payroll and related $ 174,359 $ 515,448 Professional services 100,672 318,979 Other 106,346 279,374 Property and equipment 240,594 320,043 Network 167,182 188,192 Total $ 789,153 $ 1,622,036 Network represents costs incurred to provide services to the Company’s customers including tower rentals, bandwidth, troubleshooting and gear removal.

Note 8 - Other Long-term Liabil

Note 8 - Other Long-term Liabilities	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Other Liabilities Disclosure [Text Block]	Note 8. Other long-term liabilities consist of the following: June 30, 201 8 December 31, 201 7 Deferred rent $ 382,188 $ 417,605 Deferred taxes 336,598 336,598 Total $ 718,786 $ 754,203

Note 9 - Long-term Debt

Note 9 - Long-term Debt	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Debt Disclosure [Text Block]	Note 9. Long-term debt (callable) consists of the following: June 30, 201 8 December 31, 201 7 Principal $ 35,354,612 $ 34,657,987 Unamortized debt discount (300,482 ) (789,287 ) Total $ 35,054,130 $ 33,868,700 In October 2014, $35,000,000 $33,950,000 3% This Note matures on October 16, 2019 360 a) A rate equal to the greater of: i) the sum of the one 7% 8% one 2.09% June 30, 2018. b) A rate of 4% This Note is secured by a first The Note contains representations and warranties by the Company and the Lender, certain indemnification provisions in favor of the Lender and customary covenants (including limitations on other debt, liens, acquisitions, investments and dividends), and events of default (including payment defaults, breaches of covenants, a material impairment in the Lender’s security interest or in the collateral, and events relating to bankruptcy or insolvency). The Note contains several restrictive covenants and the most significant of which requires the Company to maintain a minimum cash balance of $6,500,000 5% may Effective January 26, 2018, October 16, 2014 March 30, 2018 ( $6,500,000 “$6,500,000 $6,500,000 $4,000,000 February 28, 2018 6.1 December 31, 2017 March 30, 2018 April 15, 2018. Effective April 15, 2018, second 6.1 June 30, 2018. June 30, 2018 ( $6,500,000 $6,500,000 $3,000,000 On May 24, 2018, May 31, 2018 April 30, 2018 May 15, 2018. The Company has classified long term debt within current liabilities as of June 30, 2018 December 31, 2017, The Company has the option to prepay the Note in the minimum principal amount of $5,000,000 $1,000,000 not The Company recorded interest expense of $1,504,354 $1,019,591 three June 30, 2018 2017, $2,715,051 $1,985,030 six June 30, 2018 2017, $2,018,425 $1,323,353 $696,625 $661,677 six June 30, 2018 2017, The Company recorded amortization expense related to the debt discount of $298,480 $266,322 three June 30, 2018 2017, $488,805 $557,022 six June 30, 2018 2017,

Note 10 - Capital Stock

Note 10 - Capital Stock	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Stockholders' Equity Note Disclosure [Text Block]	Note 10. On May 24, 2018, 2,400 1:20 1:75 July 2016 September 2017) 100 no Shares of Series I Preferred Stock are not In the event of a liquidation or fundamental transaction, a holder of Series I Preferred Stock shall be redeemed and shall be entitled to receive, per share of Series I Preferred Stock, in cash out of the assets of the Company, whether from capital or from earnings available for distribution to its shareholders (the “Liquidation Funds”), a one x $1,025,437 $2 2018 25% All shares of capital stock of the Company (when and if issued), except for shares of Series G Convertible Preferred Stock and shares of Series H Convertible Preferred Stock outstanding as of May 24, 2018, Holders of the Series I Preferred Stock shall have no one The Series I Preferred Stock was accounted for under Section 480 10 S99 480 2009 04 2009 04” 2009 04, not

Note 11 - Stock Options and War

Note 11 - Stock Options and Warrants	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	Note 11. Stock Options The Company uses the Black-Scholes option pricing model to value options issued to employees, directors and consultants. Compensation expense, including the estimated effect of forfeitures, is recognized over the period of service, generally the vesting period. Stock compensation expense and the weighted average assumptions used to calculate the fair values of stock options granted during the periods indicated were as follows: Three Months Ended June 30, Six Months Ended June 30, 2018 2017 2018 2017 Risk-free interest rate 2.7% 1.6% - 1.7% 2.7% 1.6% - 1.7% Expected volatility 105% 113% 105% 110% - 113% Expected life (in years) 4.2 4.2 4.2 4.2 Expected dividend yield - - - - Estimated forfeiture rates 20% 20% 20% 20% Weighted average per share grant date fair value $1.76 $8.60 $1.76 $9.65 Stock-based compensation $25,034 $315,540 $111,567 $667,821 The risk-free interest rate was based on rates established by the Federal Reserve. The expected volatility was based upon the historical volatility for the Company’s common stock. The Company utilized historical data to determine the expected life of stock options. The dividend yield reflected the fact that the Company has not not $114,940 June 30, 2018 1.4 Option transactions under the stock option plans during the six June 30, 2018 Number Weighted Average Exercise Price Outstanding as of January 1, 2018 76,601 $ 117.42 Granted during 2018 102 2.40 Exercised - - Cancelled /expired (3,806 ) 122.23 Outstanding as of June 30, 2018 72,897 $ 117.01 Exercisable as of June 30, 2018 49,483 $ 165.18 Grants under the stock option plans during the six June 30, 2018 102 Options granted during the reporting period had a term of ten one $180 six June 30, 2018. Cancellations for the six June 30, 2018 3,683 123 The weighted average remaining contractual life of the outstanding options as of June 30, 2018 8.4 The intrinsic value associated with the options outstanding was $24 June 30, 2018. no June 30, 2018. June 29, 2018 $2.64 Stock Warrants Warrant transactions during the six June 30, 2018 Number Weighted Average Exercise Price Outstanding as of January 1, 2018 2,400 $ 1,265.25 Exchanged during 2018 (2,400 ) 1,265.25 Outstanding and exercisable as of June 30, 2018 - $ - On May 24, 2018, 2,400 100 10, Capital Stock

Note 12 - Employee Stock Purcha

Note 12 - Employee Stock Purchase Plan	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Employee Stock Purchase Plan Disclosure [Text Block]	Note 12. Under the Company’s 2010 15% 334 June 30, 2018. no three March 31, 2017. six June 30, 2017, 30 $358. $53 15% six June 30, 2017.

Note 13 - Fair Value Measuremen

Note 13 - Fair Value Measurement	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Fair Value Disclosures [Text Block]	Note 13. The FASB accounting standard for fair value measurements establishes a valuation hierarchy for disclosure of the inputs to valuation used to measure fair value. This hierarchy prioritizes the inputs into three 1 2 3 The carrying amounts of cash and cash equivalents, accounts receivable, accounts payable and accrued liabilities approximate their fair value due to their short maturities. There were no three six June 30, 2018.

Note 14 - Revenues

Note 14 - Revenues	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Revenue from Contract with Customer [Text Block]	Note 1 4 . Revenues In May 2014 , 606, 606 606 January 1, 2018 three six June 30, 2018 $48,252 $113,828, 606. not 606 not 2017 Revenue Recognition Generally, the Company considers all revenues as arising from contracts with customers. Revenue is recognized based on the five 606: Step 1 Step 2 not Step 3 not Step 4 one Step 5 Disaggregation of Revenue We provide fixed wireless business internet service to companies ranging from small businesses to fortune 500 no one three Deferred Revenues Customers are billed monthly in advance. Deferred revenues are recognized for that portion of monthly charges not The Company also defers installation fees billed to the customer and commission costs associated with obtaining new contracts. The installation fees and commission costs are amortized over the average contract term of new contracts. As of June 30, 2018, $113,828 $150,977

Note 15 - Net Loss Per Common S

Note 15 - Net Loss Per Common Share	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Earnings Per Share [Text Block]	Note 1 5 . Net Loss Per Common Share Basic and diluted net loss per share has been calculated by dividing net loss by the weighted average number of common shares outstanding during the period. The following common stock equivalents were excluded from the computation of diluted net loss per common share because they were anti-dilutive. The exercise or issuance of these common stock equivalents would dilute earnings per share if the Company becomes profitable in the future As of June 30, 20 18 201 7 Stock options 72,897 77,608 Warrants - 2,400 Series G preferred stock 71,734 98,400 Series H preferred stock 53,440 53,440 Total 198,071 231,848

Note 16 - Commitments

Note 16 - Commitments	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Commitments Disclosure [Text Block]	Note 1 6 . Commitments Operating Lease Obligations The Company has entered into operating leases related to roof rights, cellular towers, office space, and equipment leases under various non-cancelable agreements expiring through June 2023. one fifteen not not June 30, 2018, Remainder of 2018 $ 3,779,418 2019 6,215,654 2020 4,420,229 2021 2,501,647 2022 1,231,349 Thereafter 484,105 Total $ 18,632,402 Rent expenses were as follows: Three Months Ended June 30, Six Months Ended June 30, 201 8 201 7 201 8 201 7 Points of Presence $ 2,227,980 $ 2,085,930 $ 4,445,619 $ 4,192,033 Corporate offices 64,547 94,630 124,220 176,155 Other 240,809 109,148 478,100 206,404 Total $ 2,533,336 $ 2,289,708 $ 5,047,939 $ 4,574,592 Rent expenses related to Points of Presence were included in infrastructure and access in the Company’s condensed consolidated statements of operations. Rent expense related to our corporate offices was allocated between general and administrative, sales and marketing, customer support, and network operations expense in the Company’s condensed consolidated statements of operations. Other rent expenses were included in network operations within the Company’s condensed consolidated statements of operations. In October 2017, January 1, 2018 December 31, 2024 five December 31, 2024. $183,256 2018 2.5% $213,422 2024. Capital Lease Obligations The Company has entered into capital leases to acquire property and equipment expiring through August 2020. June 30, 2018, Total Capital lease obligation: Remainder of 2018 $ 194,250 2019 388,500 2020 300,374 Subtotal 883,124 Less: Interest expense 85,697 Total $ 797,427 Total Capital lease obligation: Current $ 326,773 Long-term 470,654 Total $ 797,427

Note 17 - Subsequent Events

Note 17 - Subsequent Events	6 Months Ended
	Jun. 30, 2018
Notes to Financial Statements
Subsequent Events [Text Block]	Note 17. Effective August 20, 2018, third 6.1 September 30, 2018. June 30, 2018 September 30, 2018 (

Significant Accounting Policies

Significant Accounting Policies (Policies)	6 Months Ended
	Jun. 30, 2018
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	Basis of Presentation. 10 10 X not June 30, 2018 three six June 30, 2018 not These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes thereto included in the Company’s Annual Report on Form 10 December 31, 2017. 10 December 31, 2017, 10
Stockholders' Equity, Policy [Policy Text Block]	Retroactive Adjustment for Reverse Stock Split. September 29, 2017, one seventy-five
Use of Estimates, Policy [Policy Text Block]	Use of Estimates.
Concentration Risk, Credit Risk, Policy [Policy Text Block]	Concentration of Credit Risk. may June 30, 2018, $4.4 $250,000.
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]	Intrinsic Value of Stock Options and Warrants
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]	Goodwill not fourth may not No 50 no three six June 30, 2018.
New Accounting Pronouncements, Policy [Policy Text Block]	Recent Accounting Pronouncements May 2014 , No. 2014 09 2014 09 ” 2014 19 one 606, 606” 606 606 January 1, 2018 14, Revenues
Reclassification, Policy [Policy Text Block]	Reclassifications. no
Subsequent Events, Policy [Policy Text Block]	Subsequent Events

Note 4 - Discontinued Operati25

Note 4 - Discontinued Operations (Tables)	6 Months Ended
	Jun. 30, 2018
Notes Tables
Discontinued Operation, Schedule of Amounts Recognized in Balance Sheet [Table Text Block]	June 30, 2018 December 31, 2017 Liabilities: Accrued expenses - leases $ 1,016,739 $ 1,029,022 Total Current Liabilities $ 1,016,739 $ 1,029,022

Note 5 - Property and Equipme26

Note 5 - Property and Equipment, Net (Tables)	6 Months Ended
	Jun. 30, 2018
Notes Tables
Property, Plant and Equipment [Table Text Block]	June 30, 2018 December 31, 2017 Network and base station equipment $ 44,321,305 $ 43,573,869 Customer premise equipment 36,048,426 34,996,202 Information technology 4,885,481 4,881,332 Furniture, fixtures and other 1,715,524 1,715,524 Leasehold improvements 1,516,678 1,651,300 Accrual – equipment received not invoiced 240,594 605,646 88,728,008 87,423,873 Less: accumulated depreciation 76,563,267 73,992,893 Property and equipment, net $ 12,164,741 $ 13,430,980
Schedule of Capital Leased Assets [Table Text Block]	June 30, 201 8 December 31, 201 7 Network and base station equipment $ 2,680,000 $ 2,629,526 Customer premise equipment 1,633,747 1,269,373 Information technology 1,860,028 1,860,028 6,173,775 5,758,927 Less: accumulated depreciation 4,905,188 4,708,697 Property acquired through capital leases, net $ 1,268,587 $ 1,050,230

Note 6 - Goodwill and Intangi27

Note 6 - Goodwill and Intangible Assets, Net (Tables)	6 Months Ended
	Jun. 30, 2018
Notes Tables
Schedule of Intangible Assets and Goodwill [Table Text Block]	June 30, 201 8 December 31, 201 7 Goodwill $ 1,674,281 $ 1,674,281 Backhaul agreement 3,837,783 3,837,783 Less: accumulated amortization 2,984,942 2,345,312 Backhaul agreement, net 852,841 1,492,471 FCC licenses 750,000 750,000 Intangible assets, net $ 1,602,841 $ 2,242,471
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	Remainder of 2018 639,631 2019 213,210 Total $ 852,841

Note 7 - Accrued Expenses (Tabl

Note 7 - Accrued Expenses (Tables)	6 Months Ended
	Jun. 30, 2018
Notes Tables
Schedule of Accrued Liabilities [Table Text Block]	June 30, 201 8 December 31, 201 7 Payroll and related $ 174,359 $ 515,448 Professional services 100,672 318,979 Other 106,346 279,374 Property and equipment 240,594 320,043 Network 167,182 188,192 Total $ 789,153 $ 1,622,036

Note 8 - Other Long-term Liab29

Note 8 - Other Long-term Liabilities (Tables)	6 Months Ended
	Jun. 30, 2018
Notes Tables
Other Liabilities [Table Text Block]	June 30, 201 8 December 31, 201 7 Deferred rent $ 382,188 $ 417,605 Deferred taxes 336,598 336,598 Total $ 718,786 $ 754,203

Note 9 - Long-term Debt (Tables

Note 9 - Long-term Debt (Tables)	6 Months Ended
	Jun. 30, 2018
Notes Tables
Schedule of Long-term Debt Instruments [Table Text Block]	June 30, 201 8 December 31, 201 7 Principal $ 35,354,612 $ 34,657,987 Unamortized debt discount (300,482 ) (789,287 ) Total $ 35,054,130 $ 33,868,700

Note 11 - Stock Options and W31

Note 11 - Stock Options and Warrants (Tables)	6 Months Ended
	Jun. 30, 2018
Notes Tables
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, 2018 2017 2018 2017 Risk-free interest rate 2.7% 1.6% - 1.7% 2.7% 1.6% - 1.7% Expected volatility 105% 113% 105% 110% - 113% Expected life (in years) 4.2 4.2 4.2 4.2 Expected dividend yield - - - - Estimated forfeiture rates 20% 20% 20% 20% Weighted average per share grant date fair value $1.76 $8.60 $1.76 $9.65 Stock-based compensation $25,034 $315,540 $111,567 $667,821
Share-based Compensation, Stock Options, Activity [Table Text Block]	Number Weighted Average Exercise Price Outstanding as of January 1, 2018 76,601 $ 117.42 Granted during 2018 102 2.40 Exercised - - Cancelled /expired (3,806 ) 122.23 Outstanding as of June 30, 2018 72,897 $ 117.01 Exercisable as of June 30, 2018 49,483 $ 165.18
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]	Number Weighted Average Exercise Price Outstanding as of January 1, 2018 2,400 $ 1,265.25 Exchanged during 2018 (2,400 ) 1,265.25 Outstanding and exercisable as of June 30, 2018 - $ -

Note 15 - Net Loss Per Common32

Note 15 - Net Loss Per Common Share (Tables)	6 Months Ended
	Jun. 30, 2018
Notes Tables
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]	As of June 30, 20 18 201 7 Stock options 72,897 77,608 Warrants - 2,400 Series G preferred stock 71,734 98,400 Series H preferred stock 53,440 53,440 Total 198,071 231,848

Note 16 - Commitments (Tables)

Note 16 - Commitments (Tables)	6 Months Ended
	Jun. 30, 2018
Notes Tables
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]	Remainder of 2018 $ 3,779,418 2019 6,215,654 2020 4,420,229 2021 2,501,647 2022 1,231,349 Thereafter 484,105 Total $ 18,632,402
Schedule of Rent Expense [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, 201 8 201 7 201 8 201 7 Points of Presence $ 2,227,980 $ 2,085,930 $ 4,445,619 $ 4,192,033 Corporate offices 64,547 94,630 124,220 176,155 Other 240,809 109,148 478,100 206,404 Total $ 2,533,336 $ 2,289,708 $ 5,047,939 $ 4,574,592
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]	Total Capital lease obligation: Remainder of 2018 $ 194,250 2019 388,500 2020 300,374 Subtotal 883,124 Less: Interest expense 85,697 Total $ 797,427 Total Capital lease obligation: Current $ 326,773 Long-term 470,654 Total $ 797,427

Note 1 - Organization and Nat34

Note 1 - Organization and Nature of Business (Details Textual)	Mar. 09, 2016
Shared Wireless Business [Member]
Asset Purchase Agreement, Number of One Year Renewals	2

Note 2 - Liquidity, Going Con35

Note 2 - Liquidity, Going Concern, and Management Plans (Details Textual) - USD ($)	1 Months Ended
	May 31, 2018	Jun. 30, 2018	May 24, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Cash and Cash Equivalents, at Carrying Value, Ending Balance		$ 4,659,088		$ 7,568,982	$ 8,968,852	$ 12,272,444
Working Capital		(34,000,000)
Retained Earnings (Accumulated Deficit), Ending Balance		$ (194,179,531)		$ (189,124,909)
Management Incentive Plan, Cash Bonuses, Potential Payout Amount	$ 2,000,000		$ 2,000,000
Management Incentive Plan, Cash Bonuses, Payout Upon Triggering Sale	1,000,000
Management Incentive Plan, Cash Bonuses, Additional Payout Earned Proportionately for Triggering Sale	1,000,000
Minimum [Member]
Management Incentive Plan, Cash Bonuses, Triggering Sales Amount	45,000,000
Maximum [Member]
Management Incentive Plan, Cash Bonuses, Triggering Sales Amount	$ 55,000,000

Note 3 - Summary of Significa36

Note 3 - Summary of Significant Accounting Policies (Details Textual)	Sep. 29, 2017	Sep. 30, 2017	Jul. 31, 2016	Jun. 30, 2018USD ($)
Cash, Uninsured Amount				$ 4,400,000
Cash, FDIC Insured Amount				$ 250,000
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	75	75	20

Note 4 - Discontinued Operati37

Note 4 - Discontinued Operations (Details Textual)	Mar. 09, 2016USD ($)	Jun. 30, 2018USD ($)
Disposal Group, Including Discontinued Operation, Change to Accrued Liabilities, Current		$ 12,283
Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current		$ 1,016,739
Shared Wireless Business [Member]
Asset Purchase Agreement, Term	3 years
Asset Purchase Agreement, Number of One Year Renewals	2
Asset Purchase Agreement, Cancellation Notice	60 days
Disposal Group, Including Discontinued Operation, Assets, Total	$ 2,660,041
Disposal Group, Including Discontinued Operation, Consideration	$ 3,837,783
Asset Purchase Agreement, Renewal Term	1 year

Note 4 - Discontinued Operati38

Note 4 - Discontinued Operations - Components of Balance Sheet Accounts (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Liabilities:
Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current	$ 1,016,739
Total Current Liabilities	1,016,739	$ 1,029,022
Network [Member]
Liabilities:
Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current	$ 1,016,739	$ 1,029,022

Note 5 - Property and Equipme39

Note 5 - Property and Equipment, Net (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Depreciation, Total	$ 1,283,992	$ 1,747,777	$ 2,667,774	$ 3,763,394

Note 5 - Property and Equipme40

Note 5 - Property and Equipment, Net - Property and Equipment (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Property, Plant, and Equipment, Gross	$ 88,728,008	$ 87,423,873
Less: accumulated depreciation	76,563,267	73,992,893
Property and equipment, net	12,164,741	13,430,980
Network and Base Station Equipment [Member]
Property, Plant, and Equipment, Gross	44,321,305	43,573,869
Customer Premise Equipment [Member]
Property, Plant, and Equipment, Gross	36,048,426	34,996,202
Information Technology [Member]
Property, Plant, and Equipment, Gross	4,885,481	4,881,332
Furniture and Fixtures [Member]
Property, Plant, and Equipment, Gross	1,715,524	1,715,524
Leasehold Improvements [Member]
Property, Plant, and Equipment, Gross	1,516,678	1,651,300
Equipment Received but Not Invoiced [Member]
Property, Plant, and Equipment, Gross	$ 240,594	$ 605,646

Note 5 - Property and Equipme41

Note 5 - Property and Equipment, Net - Property Acquired Through Capital Leases (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Capital Leased Assets, Gross	$ 6,173,775	$ 5,758,927
Less: accumulated depreciation	4,905,188	4,708,697
Property acquired through capital leases, net	1,268,587	1,050,230
Network and Base Station Equipment [Member]
Capital Leased Assets, Gross	2,680,000	2,629,526
Customer Premise Equipment [Member]
Capital Leased Assets, Gross	1,633,747	1,269,373
Information Technology [Member]
Capital Leased Assets, Gross	$ 1,860,028	$ 1,860,028

Note 6 - Goodwill and Intangi42

Note 6 - Goodwill and Intangible Assets, Net (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Amortization of Intangible Assets, Total	$ 319,815	$ 352,504	$ 639,630	$ 770,388
Time Warner Cable [Member] | Backhaul Agreement [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			3 years

Note 6 - Goodwill and Intangi43

Note 6 - Goodwill and Intangible Assets, Net - Intangible Assets and Goodwill (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Goodwill	$ 1,674,281	$ 1,674,281
Backhaul agreement, net	852,841
FCC licenses	750,000	750,000
Intangible assets, net	1,602,841	2,242,471
Backhaul Agreement [Member]
Backhaul agreement	3,837,783	3,837,783
Backhaul agreement, net	852,841	1,492,471
Customer Relationships [Member]
Less: accumulated amortization	$ 2,984,942	$ 2,345,312

Note 6 - Goodwill and Intangi44

Note 6 - Goodwill and Intangible Assets, Net - Future Amortization Expense (Details)	Jun. 30, 2018USD ($)
Remainder of 2018	$ 639,631
2,019	213,210
Total	$ 852,841

Note 7 - Accrued Expenses - Acc

Note 7 - Accrued Expenses - Accrued Expenses (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Accrued Liabilities, Current	$ 789,153	$ 1,622,036
Payroll and Related [Member]
Accrued Liabilities, Current	174,359	515,448
Professional Services [Member]
Accrued Liabilities, Current	100,672	318,979
Other Accrued Liabilities [Member]
Accrued Liabilities, Current	106,346	279,374
Property and Equipment [Member]
Accrued Liabilities, Current	240,594	320,043
Network [Member]
Accrued Liabilities, Current	$ 167,182	$ 188,192

Note 8 - Other Long-term Liab46

Note 8 - Other Long-term Liabilities - Other Liabilities, Current and Noncurrent (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Deferred rent	$ 382,188	$ 417,605
Deferred taxes	336,598	336,598
Total	$ 718,786	$ 754,203

Note 9 - Long-term Debt (Detail

Note 9 - Long-term Debt (Details Textual) - USD ($)	Apr. 15, 2018	Jan. 26, 2018	Oct. 31, 2014	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Amortization of Debt Issuance Costs and Discounts, Total						$ 488,805	$ 557,022
Melody Business Finance LLC [Member] | Secured Debt [Member]
Debt Instrument, Face Amount			$ 35,000,000
Proceeds from Issuance of Long-term Debt, Total			$ 33,950,000
Debt Instrument, Original Issue Discount Rate			3.00%
Paid In Kind Interest Stated Rate			4.00%
Debt Covenant, Cash and Cash Equivalents, Minimum Balance			$ 6,500,000
Debt Instrument Additional Interes Rate In The Event Of Default			5.00%
Debt Covenant, Deposit and Securities Accounts, Minimum Balance, Waived	$ 6,500,000	$ 6,500,000
Debt Covenant, Deposit and Securities Accounts, Minimum Balance, Termination of Forbearance Period	$ 3,000,000	$ 4,000,000
Debt Instrument Prepayment Minimum Principal Amount			$ 5,000,000
Debt Instrument, Prepayment, Integral Amounts Beyond the Minimum Principal Amount			$ 1,000,000
Interest Expense, Total				$ 1,504,354	$ 1,019,591	2,715,051	1,985,030
Interest Paid, Including Capitalized Interest, Operating and Investing Activities, Total						2,018,425	1,323,353
Notes Assumed						696,625	661,677
Amortization of Debt Issuance Costs and Discounts, Total				$ 298,480	$ 266,322	$ 488,805	$ 557,022
Melody Business Finance LLC [Member] | Secured Debt [Member] | If Rate Is Greater Than LIBOR Rate [Member]
Debt Instrument, Interest Rate, Stated Percentage			8.00%
Melody Business Finance LLC [Member] | Secured Debt [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate			7.00%
Debt Instrument, Reference Rate						2.09%

Note 9 - Long-term Debt - Summa

Note 9 - Long-term Debt - Summary of Long-term Debt (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Principal	$ 35,354,612	$ 34,657,987
Unamortized debt discount	(300,482)	(789,287)
Total	$ 35,054,130	$ 33,868,700

Note 10 - Capital Stock (Detail

Note 10 - Capital Stock (Details Textual)	May 24, 2018USD ($)shares	Sep. 29, 2017	Sep. 30, 2017	Jul. 31, 2016	May 31, 2018USD ($)
Management Incentive Plan, Cash Bonuses, Potential Payout Amount | $	$ 2,000,000				$ 2,000,000
Series I Preferred Stock [Member]
Stock Issued During Period, Shares, Warrants Exchanged | shares	100
Junior Stock Holder, Amount | $	$ 1,025,437
Preferred Stock, Voting Rights, Number of Votes Per Share for Certain Holders	1
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio		75	75	20
Melody Business Finance LLC [Member]
Number of Shares Held By Lender | shares	2,400

Note 11 - Stock Options and W50

Note 11 - Stock Options and Warrants (Details Textual) - USD ($)	May 24, 2018	Jun. 30, 2018	Jun. 29, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		102
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period		3,683
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period		123
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term		8 years 146 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value		$ 24
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value		$ 0
Share Price			$ 2.64
Class of Warrant or Right, Outstanding	2,400			2,400
Series I Preferred Stock [Member]
Stock Issued During Period, Shares, Warrants Exchanged	100
Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		102
Employee Stock Option [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total		$ 114,940
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		1 year 146 days
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period		10 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		1 year
Share-based Compensation Arrangement by Share-based Payment Award, Options, Granted in Period, Fair Value		$ 180

Note 11 - Stock Options and W51

Note 11 - Stock Options and Warrants - Black-Scholes Option Pricing Model Assumptions (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Risk-free interest rate	2.70%		2.70%
Expected volatility	105.00%	113.00%	105.00%
Expected life (in years) (Year)	4 years 73 days	4 years 73 days	4 years 73 days	4 years 73 days
Expected dividend yield
Estimated forfeiture rates	20.00%	20.00%	20.00%	20.00%
Weighted average per share grant date fair value (in dollars per share)	$ 1.76	$ 8.60	$ 1.76	$ 9.65
Stock-based compensation	$ 25,034	$ 315,540	$ 111,567	$ 667,821
Minimum [Member]
Risk-free interest rate		1.60%		1.60%
Expected volatility				110.00%
Estimated forfeiture rates
Maximum [Member]
Risk-free interest rate		1.70%		1.70%
Expected volatility				113.00%
Estimated forfeiture rates

Note 11 - Stock Options and W52

Note 11 - Stock Options and Warrants - Option Transactions Under the Stock Option Plans (Details)	6 Months Ended
	Jun. 30, 2018$ / sharesshares
Outstanding (in shares) | shares	76,601
Outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 117.42
Granted (in shares) | shares	102
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 2.40
Cancelled /expired (in shares) | shares	(3,806)
Cancelled /expired (in dollars per share) | $ / shares	$ 122.23
Outstanding (in shares) | shares	72,897
Outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 117.01
Exercisable (in shares) | shares	49,483
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 165.18

Note 11 - Stock Option Plans an

Note 11 - Stock Option Plans and Warrants - Summary of Warrant Activity (Details)	6 Months Ended
	Jun. 30, 2018$ / sharesshares
Outstanding, number (in shares) | shares	2,400
Outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 1,265.25
Exchanged, number (in shares) | shares	(2,400)
Exchanged, weighted average exercise price (in dollars per share) | $ / shares	$ 1,265.25
Outstanding, number (in shares) | shares
Outstanding, weighted average exercise price (in dollars per share) | $ / shares

Note 12 - Employee Stock Purc54

Note 12 - Employee Stock Purchase Plan (Details Textual) - 2010 Employee Stock Purchase Plan [Member] - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Percentage Of Discount Allowed For Shares Issued Under Employee Stock Purchase Plan	15.00%
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	334
Stock Issued During Period, Shares, Employee Stock Purchase Plans		30
Stock Issued During Period, Value, Employee Stock Purchase Plan		$ 358
Defined Contribution Plan, Cost		$ 53

Note 14 - Revenues (Details Tex

Note 14 - Revenues (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue from Contract with Customer, Including Assessed Tax	$ 6,220,758	$ 6,517,817	$ 12,662,560	$ 13,090,134
Deferred Revenue, Current [Member]
Deferred Installation Fees	113,828		113,828
Other Current Assets [Member]
Deferred Commission Costs	150,977		150,977
Accounting Standards Update 2014-09 [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ (48,252)		$ (113,828)

Note 15 - Net Loss Per Common56

Note 15 - Net Loss Per Common Share - Antidilutive Shares Excluded From Computation of EPS (Details) - shares	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Antidilutive Securities Excluded From Computation of Earnings Per Share, Amount (in shares)	198,071	231,848
Employee Stock Option [Member]
Antidilutive Securities Excluded From Computation of Earnings Per Share, Amount (in shares)	72,897	77,608
Warrant [Member]
Antidilutive Securities Excluded From Computation of Earnings Per Share, Amount (in shares)		2,400
Series G Convertible Preferred Stock [Member]
Antidilutive Securities Excluded From Computation of Earnings Per Share, Amount (in shares)	71,734	98,400
Series H Convertible Preferred Stock [Member]
Antidilutive Securities Excluded From Computation of Earnings Per Share, Amount (in shares)	53,440	53,440

Note 16 - Commitments (Details

Note 16 - Commitments (Details Textual) - USD ($)	1 Months Ended
	Oct. 31, 2017	Jun. 30, 2018
Corporate Offices [Member]
Lessee, Operating Lease, Renewal Term	5 years
Operating Lease, Annual Rent	$ 183,256
Annual Increase in Operating Lease Rent Expense	2.50%
Minimum [Member]
Lessee, Operating Lease, Renewal Term		1 year
Maximum [Member]
Lessee, Operating Lease, Renewal Term		15 years
Maximum [Member] | Corporate Offices [Member]
Operating Lease, Annual Rent	$ 213,422

Note 16 - Commitments - Total F

Note 16 - Commitments - Total Future Operating Lease Obligations (Details)	Jun. 30, 2018USD ($)
Remainder of 2018	$ 3,779,418
2,019	6,215,654
2,020	4,420,229
2,021	2,501,647
2,022	1,231,349
Thereafter	484,105
Total	$ 18,632,402

Note 16 - Commitments - Rent Ex

Note 16 - Commitments - Rent Expenses (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Lease and Rental Expense	$ 2,533,336	$ 2,289,708	$ 5,047,939	$ 4,574,592
Points of Presence [Member]
Lease and Rental Expense	2,227,980	2,085,930	4,445,619	4,192,033
Corporate Offices [Member]
Lease and Rental Expense	64,547	94,630	124,220	176,155
Other Leased Property [Member]
Lease and Rental Expense	$ 240,809	$ 109,148	$ 478,100	$ 206,404

Note 16 - Commitments - Total60

Note 16 - Commitments - Total Future Capital Lease Obligations (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Remainder of 2018	$ 194,250
2,019	388,500
2,020	300,374
Subtotal	883,124
Less: Interest expense	85,697
Total	797,427
Current	326,773	$ 382,918
Long-term	470,654	$ 305,947
Total	$ 797,427