Towerstream (TWER) 10-Q 14 Nov 18 2018 Q3 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2018	Nov. 09, 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	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Common Stock, Shares Outstanding (in shares)		394,409
Document Type	10-Q
Document Period End Date	Sep. 30, 2018
Document Fiscal Year Focus	2,018
Document Fiscal Period Focus	Q3
Amendment Flag	false

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Current Assets
Cash and cash equivalents	$ 3,884,362	$ 7,568,982
Accounts receivable, net of reserves for uncollectible accounts of $177,317 and $95,884, respectively	537,899	912,333
Prepaid expenses and other current assets	527,557	242,320
Total Current Assets	4,949,818	8,723,635
Property and equipment, net	11,246,216	13,430,980
Intangible assets, net	1,283,025	2,242,471
Goodwill	1,674,281	1,674,281
Other assets	426,350	386,047
Total Assets	19,579,690	26,457,414
Current Liabilities
Accounts payable	97,015	1,150,861
Accrued expenses	936,950	1,622,036
Accrued interest		722,629
Deferred revenues	965,012	934,450
Current maturities of capital lease obligations	334,286	382,918
Current liabilities of discontinued operations	1,010,906	1,029,022
Deferred rent	116,415	78,048
Short-term debt (callable), net of debt discounts and deferred financing costs of $100,495 and $789,287, respectively	36,875,052	33,868,700
Total Current Liabilities	40,335,636	39,788,664
Long-Term Liabilities
Capital lease obligations, net of current maturities	384,196	305,947
Other	751,207	754,203
Total Long-Term Liabilities	1,135,403	1,060,150
Total Liabilities	41,471,039	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 September 30, 2018 and December 31, 2017, respectively	394	394
Additional paid-in-capital	174,869,594	174,733,113
Accumulated deficit	(196,761,339)	(189,124,909)
Total Stockholders' Deficit	(21,891,349)	(14,391,400)
Total Liabilities, Series I Preferred Stock and Stockholders' Deficit	19,579,690	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 Balanc_2

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Accounts receivable, reserves for uncollectable accounts	$ 177,317	$ 95,884
Debt discount, current	$ 100,495	$ 789,287
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, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
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		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues	$ 6,105,451	$ 6,555,009	$ 18,768,011	$ 19,645,143
Operating Expenses
Infrastructure and access	2,765,997	2,637,055	8,211,662	7,968,089
Depreciation and amortization	1,595,260	1,953,519	4,902,665	6,487,301
Network operations	761,731	1,043,979	2,511,497	3,330,135
Customer support	346,445	428,672	1,184,104	1,187,689
Sales and marketing	431,229	1,130,855	1,564,891	2,972,621
General and administrative	931,095	1,181,481	2,939,545	4,233,350
Total Operating Expenses	6,831,757	8,375,561	21,314,364	26,179,185
Operating Loss	(726,306)	(1,820,552)	(2,546,353)	(6,534,042)
Other Expense
Interest expense, net	(1,855,502)	(1,314,772)	(5,090,077)	(3,882,085)
Total Other Expense	(1,855,502)	(1,314,772)	(5,090,077)	(3,882,085)
Net Loss	(2,581,808)	(3,135,324)	(7,636,430)	(10,416,127)
Deemed dividend to Series D and Series F preferred stockholders				(1,905,570)
Net loss attributable to common stockholders	$ (2,581,808)	$ (3,135,324)	$ (7,636,430)	$ (12,321,697)
Net loss per common share – basic and diluted (in dollars per share)	$ (6.55)	$ (8.30)	$ (19.36)	$ (39.25)
Weighted average common shares outstanding – basic and diluted (in shares)	394,409	377,727	394,409	313,958

Condensed Consolidated Statem_2

Condensed Consolidated Statement of Stockholders' Deficit (Unaudited) - 9 months ended Sep. 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				136,481		136,481
Net loss					(7,636,430)	(7,636,430)
Balance (in shares) at Sep. 30, 2018	538	501	394,409
Balance at Sep. 30, 2018	$ 1	$ 1	$ 394	$ 174,869,594	$ (196,761,339)	$ (21,891,349)

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash Flows From Operating Activities
Net loss	$ (7,636,430)	$ (10,416,127)
Adjustments to reconcile loss from continuing operations to net cash used in continuing operating activities:
Provision for doubtful accounts	141,000	87,000
Depreciation for property and equipment	3,943,219	5,397,098
Amortization for intangible assets	959,446	1,090,203
Amortization for debt discount and deferred financing costs	688,791	798,450
Interest added to principal	2,317,561	1,016,295
Accrued interest	(722,629)	709,233
Stock-based compensation - Options	136,481	874,888
Stock-based compensation - Employee stock purchase plan		53
Loss on the sale of property, plant and equipment	42,152
Deferred rent	(14,759)	(83,053)
Changes in operating assets and liabilities:
Accounts receivable	233,434	(303,526)
Prepaid expenses and other current assets	(285,237)	(158,122)
Other assets	(40,303)	1,034
Accounts payable	(1,053,846)	(104,259)
Accrued expenses	(771,572)	23,612
Deferred revenues	30,562	(186,431)
Other long-term liabilities	50,130
Total Adjustments	5,654,430	9,162,475
Net Cash Used In Continuing Operating Activities	(1,982,000)	(1,253,652)
Net Cash (Used In) Provided By Discontinued Operating Activities	(18,116)	22,513
Net Cash Used In Operating Activities	(2,000,116)	(1,231,139)
Cash Flows From Investing Activities
Acquisitions of property and equipment	(1,314,273)	(2,089,657)
Proceeds from the sale of property, plant and equipment	15,000
Change in security deposits		(12,925)
Net Cash Used In Investing Activities	(1,299,273)	(2,102,582)
Cash Flows From Financing Activities
Repayments of capital lease obligations	(385,231)	(656,257)
Issuance of common stock under employee stock purchase plan		305
Net Cash Used In Financing Activities	(385,231)	(655,952)
Continuing Operations	(3,666,504)	(4,012,186)
Discontinued Operations	(18,116)	22,513
Net Decrease In Cash and Cash Equivalents	(3,684,620)	(3,989,673)
Cash and Cash Equivalents - Beginning	7,568,982	12,272,444
Cash and Cash Equivalents - Ending	3,884,362	8,282,771
Interest	2,812,050	1,323,353
Income taxes	12,794	15,547
Acquisition of property and equipment:
Included in accrued expenses	233,557	286,657
Included in capital leases	414,848	322,606
Interest added to principal	$ 2,317,561	$ 1,016,295

Note 1 - Organization and Natur

Note 1 - Organization and Nature of Business	9 Months Ended
	Sep. 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	9 Months Ended
	Sep. 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 September 30, 2018, $3.9 $35.4 September 30, 2018, $196.8 one not The Company has monitored and reduced certain of its operating costs over the course of 2017 first nine 2018. no no may no In March 2018, no not In May 2018, $2,000,000 8 , Short-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	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Significant Accounting Policies [Text Block]	Note 3. Basis of Presentation. 10 10 X not September 30, 2018 three nine September 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 2017 Use of Estimates. Concentration of Credit Risk. may September 30, 2018, $3.6 $250,000. Intrinsic Value of Stock Options and Warrants Goodwill not fourth may not No 50 no three nine September 30, 2018. Recent Accounting Pronouncements May 2014 , No. 2014 09 2014 09 ” 2014 19 one 606, 606” 606 606 January 1, 2018 14, Revenues In February 2016, No. 2016 02 2016 02” 842 2016 02 2016 02 December 15, 2018 July 2018, No. 2018 10, 842, July 2018, No. 2018 11, 842 not first 2019. 2016 02 Reclassifications. no Subsequent Events

Note 4 - Discontinued Operation

Note 4 - Discontinued Operations	9 Months Ended
	Sep. 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: September 30, 2018 December 31, 2017 Liabilities: Accrued expenses - leases $ 1,010,906 $ 1,029,022 Total Current Liabilities $ 1,010,906 $ 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 September 30, 2018 September 30, 2018 $18,116 $1,010,906.

Note 5 - Property and Equipment

Note 5 - Property and Equipment, Net	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	Note 5. Property and equipment, net is comprised of: September 30, 2018 December 31, 2017 Network and base station equipment $ 44,542,412 $ 43,573,869 Customer premise equipment 36,189,175 34,996,202 Information technology 4,886,701 4,881,332 Furniture, fixtures and other 1,715,524 1,715,524 Leasehold improvements 1,517,559 1,651,300 Accrual – equipment received not invoiced 233,557 605,646 89,084,928 87,423,873 Less: accumulated depreciation 77,838,712 73,992,893 Property and equipment, net $ 11,246,216 $ 13,430,980 Depreciation expense for the three September 30, 2018 2017 $1,275,445 $1,633,704, nine September 30, 2018 2017 $3,943,219 $5,397,098, Property acquired through capital leases included within the Company’s property and equipment consists of the following: September 30, 2018 December 31, 2017 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 5,013,825 4,708,697 Property acquired through capital leases, net $ 1,159,950 $ 1,050,230

Note 6 - Goodwill and Intangibl

Note 6 - Goodwill and Intangible Assets, Net	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Intangible Assets Disclosure [Text Block]	Note 6. Goodwill and intangible assets, net consist of the following: September 30, 2018 December 31, 2017 Goodwill $ 1,674,281 $ 1,674,281 Backhaul agreement 3,837,783 3,837,783 Less: accumulated amortization 3,304,758 2,345,312 Backhaul agreement, net 533,025 1,492,471 FCC licenses 750,000 750,000 Intangible assets, net $ 1,283,025 $ 2,242,471 Amortization expense for the three September 30, 2018 2017 $319,815 nine September 30, 2018 2017 $959,446 $1,090,203, 4, three not Remainder of 2018 319,815 2019 213,210 Total $ 533,025

Note 7 - Accrued Expenses

Note 7 - Accrued Expenses	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Accrued Liabilities Disclosure [Text Block]	Note 7. Accrued expenses consist of the following: September 30, 2018 December 31, 2017 Property and equipment $ 233,557 $ 320,043 Payroll and related 223,828 515,448 Network 213,082 188,192 Professional services 147,106 318,979 Other 119,377 279,374 Total $ 936,950 $ 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 - Short-term Debt

Note 8 - Short-term Debt	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Debt Disclosure [Text Block]	Note 8 . Short -Term Debt Short-term debt (callable) consists of the following: September 30, 2018 December 31, 2017 Principal $ 36,975,547 $ 34,657,987 Unamortized debt discount (100,495 ) (789,287 ) Total $ 36,875,052 $ 33,868,700 In October 2014, $35,000,000 $33,950,000 3% This Note accrues interest on the basis of a 360 a) A rate equal to the greater of: i) the sum of the one 7% 8% one 2.26% September 28, 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 October 16, 2019 December 31, 2018 ( On May 24, 2018, May 31, 2018 April 30, 2018 May 15, 2018. Effective August 20, 2018, third 6.1 September 30, 2018. June 30, 2018 September 30, 2018 ( 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 $1,638,414 $1,063,851 three September 30, 2018 2017, $4,353,464 $3,048,881 nine September 30, 2018 2017, $2,035,904 $2,032,586 $2,035,904 $1,016,295 nine September 30, 2018 2017, The interest rate for the third 2018 18.09% 9.09%, 5.0%, 4.0% October 24, 2018, $1,259,532 17, Subsequent Events October 2018. The Company recorded amortization expense related to the debt discount of $199,987 $241,428 three September 30, 2018 2017, $688,791 $798,450 nine September 30, 2018 2017,

Note 9 - Other Long-term Liabil

Note 9 - Other Long-term Liabilities	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Other Liabilities Disclosure [Text Block]	Note 9 . Other Long-Term Liabilities Other long-term liabilities consist of the following: September 30, 2018 December 31, 2017 Deferred rent $ 364,479 $ 417,605 Deferred taxes 336,598 336,598 Deferred revenues 50,130 - Total $ 751,207 $ 754,203

Note 10 - Capital Stock

Note 10 - Capital Stock	9 Months Ended
	Sep. 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 No. 2009 04 2009 04” 2009 04, not

Note 11 - Stock Options and War

Note 11 - Stock Options and Warrants	9 Months Ended
	Sep. 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 September 30, Nine Months Ended September 30, 2018 2017 2018 2017 Risk-free interest rate - - 2.7% 1.6% - 1.7% Expected volatility - - 105% 110% - 113% Expected life (in years) - - 4.2% 4.2 Expected dividend yield - - - - Estimated forfeiture rates 20% 20% 20% 20% Weighted average per share grant date fair value - - $1.76 $9.65 Stock-based compensation $24,914 $207,064 $136,481 $874,888 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 $88,186 September 30, 2018 1.2 Option transactions under the stock option plans during the nine September 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 (3,870 ) 132.12 Outstanding as of September 30, 2018 72,833 $ 116.51 Exercisable as of September 30, 2018 51,221 $ 159.16 Grants under the stock option plans during the nine September 30, 2018 102 Options granted during the reporting period had a term of ten one $180 nine September 30, 2018. Cancellations for the nine September 30, 2018 3,730 140 The weighted average remaining contractual life of the outstanding options as of September 30, 2018 8.2 The intrinsic value associated with the options outstanding was $63 September 30, 2018. $17 September 30, 2018. September 28, 2018 $3.02 Stock Warrants Warrant transactions during the nine September 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 September 30, 2018 - $ - On May 24, 2018, 2,400 100 10, Capital Stock

Note 12 - Employee Stock Purcha

Note 12 - Employee Stock Purchase Plan	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Employee Stock Purchase Plan Disclosure [Text Block]	Note 12. Under the Company’s 2010 15% 334 September 30, 2018. no three March 31, 2017. nine September 30, 2017, 30 $358. $53 15% nine September 30, 2017.

Note 13 - Fair Value Measuremen

Note 13 - Fair Value Measurement	9 Months Ended
	Sep. 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 nine September 30, 2018.

Note 14 - Revenues

Note 14 - Revenues	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Revenue from Contract with Customer [Text Block]	Note 14. In May 2014 , 606, 606 606 January 1, 2018 three nine September 30, 2018 $18,993 $132,820, 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 September 30, 2018, $132,820 $82,690 $50,130 $183,091 $119,353 $63,738

Note 15 - Net Loss Per Common S

Note 15 - Net Loss Per Common Share	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Earnings Per Share [Text Block]	Note 15. 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 September 30, 2018 2017 Stock options 72,833 77,608 Warrants - 2,400 Series G preferred stock 71,734 98,400 Series H preferred stock 53,440 53,440 Total 198,007 231,848

Note 16 - Commitments

Note 16 - Commitments	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Commitments Disclosure [Text Block]	Note 16. 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 September 30, 2018, Remainder of 2018 $ 1,861,712 2019 6,215,654 2020 4,420,229 2021 2,501,647 2022 1,231,349 Thereafter 484,105 Total $ 16,714,696 Rent expenses were as follows: Three Months Ended September 30, Nine Months Ended September 30, 2018 2017 2018 2017 Points of Presence $ 2,266,238 $ 2,161,038 $ 6,711,857 $ 6,472,499 Corporate offices 59,370 105,359 183,590 281,513 Other 244,333 233,779 722,433 695,943 Total $ 2,569,941 $ 2,500,176 $ 7,617,880 $ 7,449,955 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. September 30, 2018, Total Capital lease obligation: Remainder of 2018 $ 97,125 2019 388,501 2020 300,374 2021 9,523 Subtotal 795,523 Less: Interest expense 77,041 Total $ 718,482 Total Capital lease obligation: Current $ 334,286 Long-term 384,196 Total $ 718,482

Note 17 - Subsequent Events

Note 17 - Subsequent Events	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Subsequent Events [Text Block]	Note 17. On October 24, 2018, October 16, 2014. November 15, 2018 April 15, 2018 September 30, 2018 may third 8, Short-Term Debt third

Significant Accounting Policies

Significant Accounting Policies (Policies)	9 Months Ended
	Sep. 30, 2018
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	Basis of Presentation. 10 10 X not September 30, 2018 three nine September 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 2017
Use of Estimates, Policy [Policy Text Block]	Use of Estimates.
Concentration Risk, Credit Risk, Policy [Policy Text Block]	Concentration of Credit Risk. may September 30, 2018, $3.6 $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 nine September 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 In February 2016, No. 2016 02 2016 02” 842 2016 02 2016 02 December 15, 2018 July 2018, No. 2018 10, 842, July 2018, No. 2018 11, 842 not first 2019. 2016 02
Reclassification, Policy [Policy Text Block]	Reclassifications. no
Subsequent Events, Policy [Policy Text Block]	Subsequent Events

Note 4 - Discontinued Operati_2

Note 4 - Discontinued Operations (Tables)	9 Months Ended
	Sep. 30, 2018
Notes Tables
Discontinued Operation, Schedule of Amounts Recognized in Balance Sheet [Table Text Block]	September 30, 2018 December 31, 2017 Liabilities: Accrued expenses - leases $ 1,010,906 $ 1,029,022 Total Current Liabilities $ 1,010,906 $ 1,029,022

Note 5 - Property and Equipme_2

Note 5 - Property and Equipment, Net (Tables)	9 Months Ended
	Sep. 30, 2018
Notes Tables
Property, Plant and Equipment [Table Text Block]	September 30, 2018 December 31, 2017 Network and base station equipment $ 44,542,412 $ 43,573,869 Customer premise equipment 36,189,175 34,996,202 Information technology 4,886,701 4,881,332 Furniture, fixtures and other 1,715,524 1,715,524 Leasehold improvements 1,517,559 1,651,300 Accrual – equipment received not invoiced 233,557 605,646 89,084,928 87,423,873 Less: accumulated depreciation 77,838,712 73,992,893 Property and equipment, net $ 11,246,216 $ 13,430,980
Schedule of Capital Leased Assets [Table Text Block]	September 30, 2018 December 31, 2017 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 5,013,825 4,708,697 Property acquired through capital leases, net $ 1,159,950 $ 1,050,230

Note 6 - Goodwill and Intangi_2

Note 6 - Goodwill and Intangible Assets, Net (Tables)	9 Months Ended
	Sep. 30, 2018
Notes Tables
Schedule of Intangible Assets and Goodwill [Table Text Block]	September 30, 2018 December 31, 2017 Goodwill $ 1,674,281 $ 1,674,281 Backhaul agreement 3,837,783 3,837,783 Less: accumulated amortization 3,304,758 2,345,312 Backhaul agreement, net 533,025 1,492,471 FCC licenses 750,000 750,000 Intangible assets, net $ 1,283,025 $ 2,242,471
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	Remainder of 2018 319,815 2019 213,210 Total $ 533,025

Note 7 - Accrued Expenses (Tabl

Note 7 - Accrued Expenses (Tables)	9 Months Ended
	Sep. 30, 2018
Notes Tables
Schedule of Accrued Liabilities [Table Text Block]	September 30, 2018 December 31, 2017 Property and equipment $ 233,557 $ 320,043 Payroll and related 223,828 515,448 Network 213,082 188,192 Professional services 147,106 318,979 Other 119,377 279,374 Total $ 936,950 $ 1,622,036

Note 8 - Short-term Debt (Table

Note 8 - Short-term Debt (Tables)	9 Months Ended
	Sep. 30, 2018
Notes Tables
Schedule of Long-term Debt Instruments [Table Text Block]	September 30, 2018 December 31, 2017 Principal $ 36,975,547 $ 34,657,987 Unamortized debt discount (100,495 ) (789,287 ) Total $ 36,875,052 $ 33,868,700

Note 9 - Other Long-term Liab_2

Note 9 - Other Long-term Liabilities (Tables)	9 Months Ended
	Sep. 30, 2018
Notes Tables
Other Liabilities [Table Text Block]	September 30, 2018 December 31, 2017 Deferred rent $ 364,479 $ 417,605 Deferred taxes 336,598 336,598 Deferred revenues 50,130 - Total $ 751,207 $ 754,203

Note 11 - Stock Options and W_2

Note 11 - Stock Options and Warrants (Tables)	9 Months Ended
	Sep. 30, 2018
Notes Tables
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	Three Months Ended September 30, Nine Months Ended September 30, 2018 2017 2018 2017 Risk-free interest rate - - 2.7% 1.6% - 1.7% Expected volatility - - 105% 110% - 113% Expected life (in years) - - 4.2% 4.2 Expected dividend yield - - - - Estimated forfeiture rates 20% 20% 20% 20% Weighted average per share grant date fair value - - $1.76 $9.65 Stock-based compensation $24,914 $207,064 $136,481 $874,888
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 (3,870 ) 132.12 Outstanding as of September 30, 2018 72,833 $ 116.51 Exercisable as of September 30, 2018 51,221 $ 159.16
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 September 30, 2018 - $ -

Note 15 - Net Loss Per Common_2

Note 15 - Net Loss Per Common Share (Tables)	9 Months Ended
	Sep. 30, 2018
Notes Tables
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]	As of September 30, 2018 2017 Stock options 72,833 77,608 Warrants - 2,400 Series G preferred stock 71,734 98,400 Series H preferred stock 53,440 53,440 Total 198,007 231,848

Note 16 - Commitments (Tables)

Note 16 - Commitments (Tables)	9 Months Ended
	Sep. 30, 2018
Notes Tables
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]	Remainder of 2018 $ 1,861,712 2019 6,215,654 2020 4,420,229 2021 2,501,647 2022 1,231,349 Thereafter 484,105 Total $ 16,714,696
Schedule of Rent Expense [Table Text Block]	Three Months Ended September 30, Nine Months Ended September 30, 2018 2017 2018 2017 Points of Presence $ 2,266,238 $ 2,161,038 $ 6,711,857 $ 6,472,499 Corporate offices 59,370 105,359 183,590 281,513 Other 244,333 233,779 722,433 695,943 Total $ 2,569,941 $ 2,500,176 $ 7,617,880 $ 7,449,955
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]	Total Capital lease obligation: Remainder of 2018 $ 97,125 2019 388,501 2020 300,374 2021 9,523 Subtotal 795,523 Less: Interest expense 77,041 Total $ 718,482 Total Capital lease obligation: Current $ 334,286 Long-term 384,196 Total $ 718,482

Note 2 - Liquidity, Going Con_2

Note 2 - Liquidity, Going Concern, and Management Plans (Details Textual) - USD ($)	1 Months Ended
	May 31, 2018	Sep. 30, 2018	May 24, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016
Cash and Cash Equivalents, at Carrying Value, Ending Balance		$ 3,884,362		$ 7,568,982	$ 8,282,771	$ 12,272,444
Working Capital		(35,400,000)
Retained Earnings (Accumulated Deficit), Ending Balance		$ (196,761,339)		$ (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 Significa_2

Note 3 - Summary of Significant Accounting Policies (Details Textual)	Sep. 29, 2017	Sep. 30, 2017	Jul. 31, 2016	Sep. 30, 2018USD ($)
Cash, Uninsured Amount				$ 3,600,000
Cash, FDIC Insured Amount				$ 250,000
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	75	75	20

Note 4 - Discontinued Operati_3

Note 4 - Discontinued Operations (Details Textual)	Mar. 09, 2016USD ($)	Sep. 30, 2018USD ($)
Disposal Group, Including Discontinued Operation, Change to Accrued Liabilities, Current		$ 18,116
Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current		$ 1,010,906
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

Note 4 - Discontinued Operati_4

Note 4 - Discontinued Operations - Components of Balance Sheet Accounts (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current	$ 1,010,906
Total Current Liabilities	1,010,906	$ 1,029,022
Network [Member]
Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current	$ 1,010,906	$ 1,029,022

Note 5 - Property and Equipme_3

Note 5 - Property and Equipment, Net (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Depreciation, Total	$ 1,275,445	$ 1,633,704	$ 3,943,219	$ 5,397,098

Note 5 - Property and Equipme_4

Note 5 - Property and Equipment, Net - Property and Equipment (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Property, Plant, and Equipment, Gross	$ 89,084,928	$ 87,423,873
Less: accumulated depreciation	77,838,712	73,992,893
Property and equipment, net	11,246,216	13,430,980
Network and Base Station Equipment [Member]
Property, Plant, and Equipment, Gross	44,542,412	43,573,869
Customer Premise Equipment [Member]
Property, Plant, and Equipment, Gross	36,189,175	34,996,202
Information Technology [Member]
Property, Plant, and Equipment, Gross	4,886,701	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	1,517,559	1,651,300
Equipment Received but Not Invoiced [Member]
Property, Plant, and Equipment, Gross	$ 233,557	$ 605,646

Note 5 - Property and Equipme_5

Note 5 - Property and Equipment, Net - Property Acquired Through Capital Leases (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Capital Leased Assets, Gross	$ 6,173,775	$ 5,758,927
Less: accumulated depreciation	5,013,825	4,708,697
Property acquired through capital leases, net	1,159,950	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 Intangi_3

Note 6 - Goodwill and Intangible Assets, Net (Details Textual) - USD ($)	3 Months Ended		6 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2018	Sep. 30, 2018	Sep. 30, 2017
Amortization of Intangible Assets, Total	$ 319,815	$ 319,815		$ 959,446	$ 1,090,203
Time Warner Cable [Member] | Backhaul Agreement [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			3 years

Note 6 - Goodwill and Intangi_4

Note 6 - Goodwill and Intangible Assets, Net - Intangible Assets and Goodwill (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Goodwill	$ 1,674,281	$ 1,674,281
Backhaul agreement, net	533,025
FCC licenses	750,000	750,000
Intangible assets, net	1,283,025	2,242,471
Backhaul Agreement [Member]
Backhaul agreement	3,837,783	3,837,783
Backhaul agreement, net	533,025	1,492,471
Customer Relationships [Member]
Less: accumulated amortization	$ 3,304,758	$ 2,345,312

Note 6 - Goodwill and Intangi_5

Note 6 - Goodwill and Intangible Assets, Net - Future Amortization Expense (Details)	Sep. 30, 2018USD ($)
Remainder of 2018	$ 319,815
2,019	213,210
Total	$ 533,025

Note 7 - Accrued Expenses - Acc

Note 7 - Accrued Expenses - Accrued Expenses (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Accrued Liabilities, Current	$ 936,950	$ 1,622,036
Property and Equipment [Member]
Accrued Liabilities, Current	233,557	320,043
Payroll and Related [Member]
Accrued Liabilities, Current	223,828	515,448
Network [Member]
Accrued Liabilities, Current	213,082	188,192
Professional Services [Member]
Accrued Liabilities, Current	147,106	318,979
Other Accrued Liabilities [Member]
Accrued Liabilities, Current	$ 119,377	$ 279,374

Note 8 - Short-term Debt (Detai

Note 8 - Short-term Debt (Details Textual) - USD ($)	Oct. 24, 2018	Apr. 15, 2018	Jan. 26, 2018	Oct. 31, 2014	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Amortization of Debt Issuance Costs and Discounts, Total							$ 688,791	$ 798,450
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					$ 1,638,414	$ 1,063,851	4,353,464	3,048,881
Interest Paid, Including Capitalized Interest, Operating and Investing Activities, Total							2,035,904	2,032,586
Notes Assumed							2,035,904	1,016,295
Debt Instrument, Interest Rate During Period					18.09%
Debt Instrument, Cash Interest Rate					9.09%
Debt Instrument, Default Interest Rate Premium					5.00%
Debt Instrument, Paid-in-Kind Interest Rate					4.00%
Amortization of Debt Issuance Costs and Discounts, Total					$ 199,987	$ 241,428	$ 688,791	$ 798,450
Melody Business Finance LLC [Member] | Secured Debt [Member] | Subsequent Event [Member]
Debt Instrument, Increase, Accrued Interest	$ 1,259,532
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							2.26%

Note 8 - Short-term Debt - Summ

Note 8 - Short-term Debt - Summary of Debt (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Principal	$ 36,975,547	$ 34,657,987
Unamortized debt discount	(100,495)	(789,287)
Total	$ 36,875,052	$ 33,868,700

Note 8 - Other Long-term Liabil

Note 8 - Other Long-term Liabilities - Other Liabilities, Current and Noncurrent (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Deferred rent	$ 364,479	$ 417,605
Deferred taxes	336,598	336,598
Deferred revenues	50,130
Total	$ 751,207	$ 754,203

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, Liquidation Value, Multiplier	0.00%
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 W_3

Note 11 - Stock Options and Warrants (Details Textual) - USD ($)	May 24, 2018	Sep. 30, 2018	Sep. 28, 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		3,730
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period		140
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term		8 years 73 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value		$ 63
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value		$ 17
Share Price			$ 3.02
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		$ 88,186
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		1 year 73 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 W_4

Note 11 - Stock Options and Warrants - Black-Scholes Option Pricing Model Assumptions (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Risk-free interest rate			2.70%
Expected volatility			105.00%
Expected life (in years) (Year)			4 years 73 days	4 years 73 days
Expected dividend yield
Estimated forfeiture rates	20.00%		20.00%	20.00%
Weighted average per share grant date fair value (in dollars per share)			$ 1.76	$ 9.65
Stock-based compensation	$ 24,914		$ 136,481	$ 874,888
Minimum [Member]
Risk-free interest rate				1.70%
Expected volatility				113.00%
Estimated forfeiture rates		20.00%
Stock-based compensation		$ 207,064
Maximum [Member]
Risk-free interest rate			1.60%
Expected volatility			110.00%
Estimated forfeiture rates

Note 11 - Stock Options and W_5

Note 11 - Stock Options and Warrants - Option Transactions Under the Stock Option Plans (Details)	9 Months Ended
	Sep. 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	(3,870)
Cancelled /expired (in dollars per share) | $ / shares	$ 132.12
Outstanding (in shares) | shares	72,833
Outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 116.51
Exercisable (in shares) | shares	51,221
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 159.16

Note 11 - Stock Option Plans an

Note 11 - Stock Option Plans and Warrants - Summary of Warrant Activity (Details)	9 Months Ended
	Sep. 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 Purc_2

Note 12 - Employee Stock Purchase Plan (Details Textual) - 2010 Employee Stock Purchase Plan [Member] - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 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		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue from Contract with Customer, Including Assessed Tax	$ 6,105,451	$ 6,555,009	$ 18,768,011	$ 19,645,143
Deferred Installation Fees	132,820		132,820
Deferred Commission Costs	183,091		183,091
Deferred Revenue [Member]
Deferred Installation Fees	82,690		82,690
Other Noncurrent Liabilities [Member]
Deferred Installation Fees	50,130		50,130
Other Current Assets [Member]
Deferred Commission Costs	119,353		119,353
Other Assets [Member]
Deferred Commission Costs	63,738		63,738
Accounting Standards Update 2014-09 [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ (18,993)		$ (132,820)

Note 15 - Net Loss Per Common_3

Note 15 - Net Loss Per Common Share - Antidilutive Shares Excluded From Computation of EPS (Details) - shares	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Antidilutive Securities Excluded From Computation of Earnings Per Share, Amount (in shares)	198,007	231,848
Employee Stock Option [Member]
Antidilutive Securities Excluded From Computation of Earnings Per Share, Amount (in shares)	72,833	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	Sep. 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)	Sep. 30, 2018USD ($)
Remainder of 2018	$ 1,861,712
2,019	6,215,654
2,020	4,420,229
2,021	2,501,647
2,022	1,231,349
Thereafter	484,105
Total	$ 16,714,696

Note 16 - Commitments - Rent Ex

Note 16 - Commitments - Rent Expenses (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Lease and Rental Expense	$ 2,569,941	$ 2,500,176	$ 7,617,880	$ 7,449,955
Points of Presence [Member]
Lease and Rental Expense	2,266,238	2,161,038	6,711,857	6,472,499
Corporate Offices [Member]
Lease and Rental Expense	59,370	105,359	183,590	281,513
Other Leased Property [Member]
Lease and Rental Expense	$ 244,333	$ 233,779	$ 722,433	$ 695,943

Note 16 - Commitments - Total_2

Note 16 - Commitments - Total Future Capital Lease Obligations (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Remainder of 2018	$ 97,125
2,019	388,501
2,020	300,374
2,021	9,523
Subtotal	795,523
Less: Interest expense	77,041
Total	718,482
Current	334,286	$ 382,918
Long-term	384,196	$ 305,947
Total	$ 718,482