UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in- Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2019		86,069,263
Beginning balance at Dec. 31, 2019	$ 80,747	$ 9	$ 162,062	$ (81,297)	$ (27)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of options (in shares)	0
Equity-based compensation	$ 441		441
Issuance of common stock (in shares)		1,081,184
Issuance of common stock	2,766		2,766
Other comprehensive income (loss)	10				10
Net (loss) income	1,150			1,150
Ending balance (in shares) at Mar. 31, 2020		87,150,447
Ending balance at Mar. 31, 2020	85,114	$ 9	165,269	(80,147)	(17)
Beginning balance (in shares) at Dec. 31, 2020		87,651,352
Beginning balance at Dec. 31, 2020	$ 61,506	$ 9	167,379	(105,965)	83
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of options (in shares)	342,246	342,246
Exercise of options	$ 546		546
Equity-based compensation	517		517
Other comprehensive income (loss)	(51)				(51)
Net (loss) income	(12,477)			(12,477)
Ending balance (in shares) at Mar. 31, 2021		87,993,598
Ending balance at Mar. 31, 2021	$ 50,041	$ 9	$ 168,442	$ (118,442)	$ 32