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Note 3 - Liquidity and Summary of Significant Accounting Principles - Earnings (Loss) Per Share (Details) - USD ($)	1 Months Ended	2 Months Ended	3 Months Ended	4 Months Ended	6 Months Ended
	May 04, 2016	Jun. 30, 2016	Jun. 30, 2017	May 04, 2016	Jun. 30, 2017
Diluted (in dollars per share)		$ (0.13)	$ (0.39)		$ (0.56)
Numerator for net income (loss) for basic and diluted income (loss) per share		$ (1,294,843)	$ (3,912,061)		$ (5,604,661)
Net income allocated to participating securities
Numerator for basic income (loss) per share					(5,604,661)
Numerator adjustments for potential dilutive securities
Numerator for diluted income (loss) per share					$ (5,604,661)
Denominator for basic income (loss) per share weighted average outstanding common shares (in shares)		9,793,630	9,927,112		9,927,112
Dilutive effect of convertible debt (in shares)			0		0
Denominator for diluted income (loss) per share (in shares)		9,793,630	9,927,112		9,927,112
Denominator for diluted income (loss) per share weighted average outstanding common shares (in shares)		9,793,630	9,927,112		9,927,112
Basic and diluted earnings (loss) per share
Basic (in dollars per share)	$ 0.17	$ (0.13)	$ (0.39)		$ (0.56)
Predecessor [Member]
Diluted (in dollars per share)	$ 0.17	$ (0.13)		$ 0.15
Numerator for net income (loss) for basic and diluted income (loss) per share	$ 33,044,694			$ 28,173,934
Net income allocated to participating securities
Numerator for basic income (loss) per share		$ (1,294,843)		28,173,934
Numerator adjustments for potential dilutive securities				172,546
Numerator for diluted income (loss) per share		$ (1,294,843)		$ 28,346,480
Denominator for basic income (loss) per share weighted average outstanding common shares (in shares)	125,951,100	9,793,630		125,951,100
Dilutive effect of convertible debt (in shares)	67,307,692			67,307,692
Denominator for diluted income (loss) per share (in shares)	193,258,792	9,793,630		193,258,792
Denominator for diluted income (loss) per share weighted average outstanding common shares (in shares)	193,258,792	9,793,630		193,258,792
Basic and diluted earnings (loss) per share
Basic (in dollars per share)	$ 0.26	$ (0.13)		$ 0.22