Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Additional Paid-In Capital	Retained Earnings	Total
Beginning balance, shares at Dec. 31, 2018	29,611,989
Beginning balance at Dec. 31, 2018	$ 296	$ (6,540)	$ (52)	$ 179,742	$ (31,861)	$ 141,585
Beginning treasury stock, shares at Dec. 31, 2018		(711,231)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				664		664
Exercise of stock options, shares	7,021
Exercise of stock options				35		35
Issue restricted stock, shares	185,204
Issuance of restricted stock	$ 1			(1)
Forfeiture of restricted stock (in shares)	(18,207)
Cash flow hedge			(284)			(284)
Net income (loss)					(7,924)	(7,924)
Ending balance, shares at Mar. 31, 2019	29,786,007
Ending treasury stock, shares at Mar. 31, 2019		(711,231)
Ending balance at Mar. 31, 2019	$ 297	$ (6,540)	(336)	180,440	(39,785)	134,076
Beginning balance, shares at Dec. 31, 2018	29,611,989
Beginning balance at Dec. 31, 2018	$ 296	$ (6,540)	(52)	179,742	(31,861)	141,585
Beginning treasury stock, shares at Dec. 31, 2018		(711,231)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)						(9,557)
Ending balance, shares at Jun. 30, 2019	30,215,084
Ending treasury stock, shares at Jun. 30, 2019		(711,231)
Ending balance at Jun. 30, 2019	$ 302	$ (6,540)	(1,094)	181,499	(41,418)	132,749
Beginning balance, shares at Mar. 31, 2019	29,786,007
Beginning balance at Mar. 31, 2019	$ 297	$ (6,540)	(336)	180,440	(39,785)	134,076
Beginning treasury stock, shares at Mar. 31, 2019		(711,231)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				1,064		1,064
Issue restricted stock, shares	479,590
Issuance of restricted stock	$ 6			(6)
Forfeiture of restricted stock (in shares)	(50,513)
Forfeiture of restricted stock	$ (1)			1
Cash flow hedge			(758)			(758)
Net income (loss)					(1,633)	(1,633)
Ending balance, shares at Jun. 30, 2019	30,215,084
Ending treasury stock, shares at Jun. 30, 2019		(711,231)
Ending balance at Jun. 30, 2019	$ 302	$ (6,540)	(1,094)	181,499	(41,418)	$ 132,749
Beginning balance, shares at Dec. 31, 2019	30,303,395					30,303,395
Beginning balance at Dec. 31, 2019	$ 303	$ (6,540)	(1,045)	182,523	(37,220)	$ 138,021
Beginning treasury stock, shares at Dec. 31, 2019		(711,231)				(711,231)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				462		$ 462
Issue restricted stock, shares	185,356
Issuance of restricted stock	$ 2			(2)
Forfeiture of restricted stock (in shares)	(3,351)
Cash flow hedge			(984)			(984)
Net income (loss)					2,723	2,723
Ending balance, shares at Mar. 31, 2020	30,485,400
Ending treasury stock, shares at Mar. 31, 2020		(711,231)
Ending balance at Mar. 31, 2020	$ 305	$ (6,540)	(2,029)	182,983	(34,497)	$ 140,222
Beginning balance, shares at Dec. 31, 2019	30,303,395					30,303,395
Beginning balance at Dec. 31, 2019	$ 303	$ (6,540)	(1,045)	182,523	(37,220)	$ 138,021
Beginning treasury stock, shares at Dec. 31, 2019		(711,231)				(711,231)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)						$ 4,751
Ending balance, shares at Jun. 30, 2020	31,060,101					31,060,101
Ending treasury stock, shares at Jun. 30, 2020		(711,231)				(711,231)
Ending balance at Jun. 30, 2020	$ 311	$ (6,540)	(1,989)	184,120	(32,469)	$ 143,433
Beginning balance, shares at Mar. 31, 2020	30,485,400
Beginning balance at Mar. 31, 2020	$ 305	$ (6,540)	(2,029)	182,983	(34,497)	140,222
Beginning treasury stock, shares at Mar. 31, 2020		(711,231)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				1,167		1,167
Issue restricted stock, shares	638,938
Issuance of restricted stock	$ 6			(6)
Forfeiture of restricted stock (in shares)	(54,510)
Purchase of vested stock-based awards	(9,727)
Purchase of vested stock-based awards				(24)		(24)
Cash flow hedge			40			40
Net income (loss)					2,028	$ 2,028
Ending balance, shares at Jun. 30, 2020	31,060,101					31,060,101
Ending treasury stock, shares at Jun. 30, 2020		(711,231)				(711,231)
Ending balance at Jun. 30, 2020	$ 311	$ (6,540)	$ (1,989)	$ 184,120	$ (32,469)	$ 143,433