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	5,406					5,406
Foreign currency translation adjustment	154				154
Stock issued under employee stock purchase plan	15			15
Stock issued under employee stock purchase plan (in shares)			(7,000)
Restricted stock granted (in shares)		875,000
Restricted stock forfeited (in shares)			292,000
Treasury stock purchased	(207)		$ (207)
Treasury stock purchased (in shares)			74,000
Stock compensation expense	2,841			2,841
Stock issued in JP3 acquisition	0
Ending balance at Sep. 30, 2019	210,222	$ 6	$ (33,444)	346,392	185	(102,917)
Ending balance (in shares) at Sep. 30, 2019		63,038,000	4,129,000
Beginning balance at Jun. 30, 2019	220,120	$ 6	$ (33,378)	345,217	149	(91,874)
Beginning balance (in shares) at Jun. 30, 2019		62,956,000	3,948,000
Increase (Decrease) in Equity
Net (loss) income	(11,043)					(11,043)
Foreign currency translation adjustment	36				36
Restricted stock granted (in shares)		82,000
Restricted stock forfeited (in shares)			159,000
Treasury stock purchased	(66)		$ (66)
Treasury stock purchased (in shares)			30,000
Stock compensation expense	1,160			1,160
Ending balance at Sep. 30, 2019	210,222	$ 6	$ (33,444)	346,392	185	(102,917)
Ending balance (in shares) at Sep. 30, 2019		63,038,000	4,129,000
Beginning balance at Dec. 31, 2019	172,029	$ 6	$ (33,484)	347,565	179	(142,237)
Beginning balance (in shares) at Dec. 31, 2019		63,657,000	4,145,000
Increase (Decrease) in Equity
Net (loss) income	(118,771)					(118,771)
Foreign currency translation adjustment	(168)				(168)
Stock issued under employee stock purchase plan	78			78
Stock issued under employee stock purchase plan (in shares)			(50,000)
Restricted stock granted	$ 338			338
Restricted stock granted (in shares)	2,815,238	2,815,000
Restricted stock forfeited (in shares)			457,000
Treasury stock purchased	$ (123)		$ (123)
Treasury stock purchased (in shares)			97,000
Stock compensation expense	2,208			2,208
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 Sep. 30, 2020	$ 64,129	$ 7	$ (33,607)	358,726	11	(261,008)
Ending balance (in shares) at Sep. 30, 2020		77,972,000	4,649,000
Beginning balance at Jun. 30, 2020	108,706	$ 7	$ (33,566)	357,981	51	(215,767)
Beginning balance (in shares) at Jun. 30, 2020		77,626,000	4,459,000
Increase (Decrease) in Equity
Net (loss) income	(45,241)					(45,241)
Foreign currency translation adjustment	(40)				(40)
Stock issued under employee stock purchase plan	58			58
Stock issued under employee stock purchase plan (in shares)			(25,000)
Restricted stock granted (in shares)		346,000
Restricted stock forfeited (in shares)			179,000
Treasury stock purchased	(41)		$ (41)
Treasury stock purchased (in shares)			36,000
Stock compensation expense	687			687
Ending balance at Sep. 30, 2020	$ 64,129	$ 7	$ (33,607)	$ 358,726	$ 11	$ (261,008)
Ending balance (in shares) at Sep. 30, 2020		77,972,000	4,649,000