Note 2 - Fresh Start Accounting (Details Textual) - USD ($)	May 05, 2016	Jun. 30, 2017	Dec. 31, 2016	May 04, 2016	Dec. 31, 2015
Fresh Start Accounting, Percent of Voting Share of Emerging Entity	50.00%
Debt-free Net Cash Flow Growth Rate	3.40%
Fair Value Inputs, Discount Rate	29.00%
Reorganization Value	$ 24,050,000			$ 24,050,000
Intangible Assets, Net (Excluding Goodwill)	8,400,000	$ 7,414,375	$ 7,840,408
Goodwill	$ 2,100,000	0	2,079,284		$ 0
Preferred Stock, Liquidation Preference, Value		$ 29,038,000	$ 29,038,000
Class of Warrant or Right, Date from which Warrants or Rights Exercisable	May 05, 2021
Warrant, Expiration Date	Nov. 05, 2016
Series A Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues	29,038
Preferred Stock, Liquidation Preference, Value	$ 29,038,000
Common Stock [Member]
Proceeds from Issuance of Common Stock, Net of Issuance Costs	$ 7,052,500
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	6,180,000
Stock Issued During Period, Shares, New Issues	7,500,000
Backstop Commitment Date	Jun. 30, 2017
Class of Warrant or Right, Date from which Warrants or Rights Exercisable	Nov. 05, 2016
Warrant, Expiration Date	May 05, 2021
Common Stock [Member] | Backstop Commitment [Member]
Number of Shares Commited to Purchase	12,800,000
Value of Shares Commited to Purchase	$ 3,000,000
Common Stock [Member] | Minimum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.50
Common Stock [Member] | Maximum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 1
Revaluation of Assets [Member]
Reorganization Value	$ 17,900,000			$ 17,889,000