Note 14 - Loss Per Common Share - Loss Per Share, Basic and Diluted (Details) - USD ($)		3 Months Ended									9 Months Ended	12 Months Ended
		Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Oct. 15, 2014	Dec. 31, 2016	Dec. 31, 2015
Net loss		$ (142,389,148)	$ (19,359,044)	$ (22,495,573)	$ (39,278,670)	$ (79,744,981)	$ (20,376,620)	$ (27,508,300)	$ (20,667,064)
Basic loss Per Share (in dollars per share)		$ (2.96)	$ (0.65)	$ (9.98)	$ (20.77)	$ (42.37)	$ (10.83)	$ (14.62)	$ (11.01)
Diluted loss Per Share (in dollars per share)		$ (2.96)	$ (0.65)	$ (9.98)	$ (20.77)	$ (42.37)	$ (10.83)	$ (14.62)	$ (11.01)
Successor [Member]
Net loss										$ (11,548,728)		$ (223,522,435)	$ (148,296,965)
Weighted Average Shares-Basic* (in shares)	[1],[2]									1,875,227		20,565,652	1,880,116
Weighted Average Shares - Diluted* (in shares)	[1],[2]									1,875,227		20,565,652	1,880,116
Basic loss Per Share (in dollars per share)										$ (6.16)		$ (10.87)	$ (78.88)
Diluted loss Per Share (in dollars per share)										$ (6.16)		$ (10.87)	$ (78.88)
Predecessor [Member]
Net loss											$ (531,803,257)
Weighted Average Shares-Basic* (in shares)	[1],[2]										17,857,408
Weighted Average Shares - Diluted* (in shares)	[1],[2]										17,857,408
Basic loss Per Share (in dollars per share)											$ (29.78)
Diluted loss Per Share (in dollars per share)											$ (29.78)

[1] Adjusted to give effect for the 1 for 20 reverse stock split for the Successor that became effective as of the opening of trading on August 5, 2016.

[2] Adjusted to give effect for the 1 for 20 reverse stock split for the Successor that became effective as of the opening of trading on August 5, 2016.