Unaudited Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit)
Beginning balance at Dec. 31, 2018	$ 202,013	$ 6	$ (33,237)	$ 343,536	$ 31	$ (108,323)
Beginning balance (in shares) at Dec. 31, 2018		62,163,000	3,770,000
Increase (Decrease) in Equity
Net (loss) income	16,449					16,449
Foreign currency translation adjustment	118				118
Restricted stock granted (in shares)		793,000
Restricted stock forfeited (in shares)			133,000
Treasury stock purchased	(141)		$ (141)
Treasury stock purchased (in shares)			45,000
Stock compensation expense	1,681			1,681
Stock issued in JP3 acquisition	0
Ending balance at Jun. 30, 2019	220,120	$ 6	$ (33,378)	345,217	149	(91,874)
Ending balance (in shares) at Jun. 30, 2019		62,956,000	3,948,000
Beginning balance at Mar. 31, 2019	233,306	$ 6	$ (33,368)	344,004	125	(77,461)
Beginning balance (in shares) at Mar. 31, 2019		62,199,000	3,845,000
Increase (Decrease) in Equity
Net (loss) income	(14,413)					(14,413)
Foreign currency translation adjustment	24				24
Restricted stock granted (in shares)		757,000
Restricted stock forfeited (in shares)			99,000
Treasury stock purchased	(10)		$ (10)
Treasury stock purchased (in shares)			4,000
Stock compensation expense	1,213			1,213
Ending balance at Jun. 30, 2019	220,120	$ 6	$ (33,378)	345,217	149	(91,874)
Ending balance (in shares) at Jun. 30, 2019		62,956,000	3,948,000
Beginning balance at Dec. 31, 2019	172,029	$ 6	$ (33,484)	347,564	181	(142,238)
Beginning balance (in shares) at Dec. 31, 2019		63,657,000	4,145,000
Increase (Decrease) in Equity
Net (loss) income	(73,528)					(73,528)
Foreign currency translation adjustment	(130)				(130)
Stock issued under employee stock purchase plan	20			20
Stock issued under employee stock purchase plan (in shares)			(25,000)
Restricted stock granted	$ 338			338
Restricted stock granted (in shares)	2,469,238	2,469,000
Restricted stock forfeited (in shares)			278,000
Treasury stock purchased	$ (82)		$ (82)
Treasury stock purchased (in shares)			61,000
Stock compensation expense	1,521			1,521
Stock issued in JP3 acquisition	$ 8,538	$ 1		8,537
Stock issued in JP3 acquisition (shares)	11,500,000	11,500,000
Ending balance at Jun. 30, 2020	$ 108,706	$ 7	$ (33,566)	357,980	51	(215,766)
Ending balance (in shares) at Jun. 30, 2020		77,626,000	4,459,000
Beginning balance at Mar. 31, 2020	108,705	$ 6	$ (33,529)	348,375	58	(206,205)
Beginning balance (in shares) at Mar. 31, 2020		64,338,000	4,395,000
Increase (Decrease) in Equity
Net (loss) income	(9,561)					(9,561)
Foreign currency translation adjustment	(7)				(7)
Stock issued under employee stock purchase plan	9			9
Stock issued under employee stock purchase plan (in shares)			(12,000)
Restricted stock granted (in shares)		1,788,000
Restricted stock forfeited (in shares)			37,000
Treasury stock purchased	(37)		$ (37)
Treasury stock purchased (in shares)			39,000
Stock compensation expense	1,059			1,059
Stock issued in JP3 acquisition	8,538	$ 1		8,537
Stock issued in JP3 acquisition (shares)		11,500,000
Ending balance at Jun. 30, 2020	$ 108,706	$ 7	$ (33,566)	$ 357,980	$ 51	$ (215,766)
Ending balance (in shares) at Jun. 30, 2020		77,626,000	4,459,000