Note 15 - Stock Incentive Plans - Restricted Stock Units Award Activity (Details) - Restricted Stock Units (RSUs) [Member] - Successor [Member] - USD ($) $ / shares in Units, $ in Thousands											12 Months Ended
		Dec. 15, 2016	Nov. 07, 2016	Jun. 12, 2016	Nov. 13, 2015	Oct. 15, 2015	Sep. 29, 2015	Jun. 12, 2015	Dec. 02, 2014	Oct. 15, 2014	Dec. 31, 2016	Dec. 31, 2015		Dec. 31, 2014
Management Incentive Plan 2014 [Member]
Granted, RSUs (in shares)	[1]											24,000
Granted, Aggregate Fair Value RSUs												$ 2,800
Balance outstanding, RSUs (in shares)	[1]										185,673	31,155	[2]	45,045	[2]
Balance outstanding, Exercise Price on Grant Date RSUs (in dollars per share)											$ 19.58	$ 174.48		$ 308.58
Balance outstanding, Aggregate Fair Value RSUs											$ 3,600	$ 5,500		$ 13,900
Vesting of shares - Tax, RSUs (in shares)	[1]											(1,098)
Forfeited, RSUs (in shares)	[1]										(4,741)	(35,457)
Forfeited, Aggregate Fair Value RSUs											$ (1,400)	$ (11,200)
Cancelled, RSUs (in shares)	[1],[3]	(21,250)
Cancelled, Aggregate Fair Value RSUs		$ (1,400)
Management Incentive Plan 2014 [Member] | Chief Financial Officer [Member]
Balance outstanding, RSUs (in shares)	[4]										233,863
Balance outstanding, Exercise Price on Grant Date RSUs (in dollars per share)											$ 4.24
Balance outstanding, Aggregate Fair Value RSUs											$ 1,000
2016 Equity Compensation Plan [Member]
Balance outstanding, RSUs (in shares)	[5]										993,925
Balance outstanding, Aggregate Fair Value RSUs											$ 5,780
October 15, 2015 [Member] | Management Incentive Plan 2014 [Member]
Issued, RSUs (in shares)	[1]					(1,335)
June 12, 2016 [Member] | Management Incentive Plan 2014 [Member]
Issued, RSUs (in shares)	[1],[3]			(688)
25% Annually Over Four Year Term [Member] | October 15, 2014 [Member] | Management Incentive Plan 2014 [Member]
Granted, RSUs (in shares)	[1]									27,027
Granted, Exercise Price on Grant Date RSUs (in dollars per share)										$ 329.60
Granted, Aggregate Fair Value RSUs										$ 8,900
25% Annually Over Four Year Term [Member] | December 2, 2014 [Member] | Management Incentive Plan 2014 [Member]
Granted, RSUs (in shares)	[1]								18,018
Granted, Exercise Price on Grant Date RSUs (in dollars per share)									$ 275.60
Granted, Aggregate Fair Value RSUs									$ 5,000
25% Annually Over Four Year Term [Member] | June 12, 2015 [Member] | Management Incentive Plan 2014 [Member]
Granted, RSUs (in shares)	[1]							2,750
Granted, Exercise Price on Grant Date RSUs (in dollars per share)								$ 179.60
Granted, Aggregate Fair Value RSUs								$ 500
100% on Third Anniversary Date [Member] | November 7, 2016 [Member] | Management Incentive Plan 2014 [Member] | Chief Financial Officer [Member]
Granted, RSUs (in shares)	[4]		233,863
Granted, Exercise Price on Grant Date RSUs (in dollars per share)			$ 4.24
Granted, Aggregate Fair Value RSUs			$ 1,000
100% on Third Anniversary Date [Member] | September 29, 2015 [Member] | Management Incentive Plan 2014 [Member]
Granted, RSUs (in shares)	[1],[3]						16,250
Granted, Exercise Price on Grant Date RSUs (in dollars per share)							$ 117.40
Granted, Aggregate Fair Value RSUs							$ 1,900
100% on Third Anniversary Date [Member] | November 13, 2015 [Member] | Management Incentive Plan 2014 [Member]
Granted, RSUs (in shares)	[1],[3]				5,000
Granted, Exercise Price on Grant Date RSUs (in dollars per share)					$ 78.40
Granted, Aggregate Fair Value RSUs					$ 400
100% on September 1, 2018 [Member] | December 15, 2016, Group 1 [Member] | 2016 Equity Compensation Plan [Member]
Granted, RSUs (in shares)	[5]	760,056
Granted, Exercise Price on Grant Date RSUs (in dollars per share)		$ 5.90
Granted, Aggregate Fair Value RSUs		$ 4,400
100% on October 14, 2018 [Member] | December 15, 2015, Group 2 [Member | 2016 Equity Compensation Plan [Member]
Granted, RSUs (in shares)	[5]	233,869
Granted, Exercise Price on Grant Date RSUs (in dollars per share)		$ 5.90
Granted, Aggregate Fair Value RSUs		$ 1,380
100% on First Anniversary Date [Member] | November 7, 2016 [Member] | Management Incentive Plan 2014 [Member]
Granted, RSUs (in shares)	[1],[6]		131,197
Granted, Exercise Price on Grant Date RSUs (in dollars per share)			$ 4.24
Granted, Aggregate Fair Value RSUs			$ 600
100% on First Anniversary Date [Member] | December 15, 2016 [Member] | Management Incentive Plan 2014 [Member]
Granted, RSUs (in shares)	[1],[6]	50,000
Granted, Exercise Price on Grant Date RSUs (in dollars per share)		$ 5.90
Granted, Aggregate Fair Value RSUs		$ 300

[1] Amortization of all restricted shares unless otherwise stated were calculated using the graded method vesting and included in the General and administrative expenses.

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

[3] The above stock awards were cancelled and concurrently new grants under the 2016 Plan (as defined herein) were issued. Therefore, the transaction was accounted for as modification as per ASC 718 "Compensation-Stock Compensation." The incremental compensation cost was calculated as the excess of the fair value of the replacement award over the fair value of the cancelled award at the cancellation date.

[4] Amortization of the above stock awards was calculated using the cliff method of vesting and included in general and administrative expenses.

[5] The above stock awards were issued concurrently with the cancellation of outstanding stock awards and options under the 2014 Plan. Therefore, the issuance was accounted for as a modification as per ASC 718 "Compensation-Stock Compensation." The fair value is the incremental compensation cost, which was calculated as the excess of the fair value of the replacement award over the fair value of the cancelled award at the cancellation date. The amortization of the above stock awards was calculated using the cliff method of vesting and included in general and administrative expenses.

[6] Amortization of above stock awards were calculated using the cliff method of vesting and included in General and administrative expenses.