Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income(Loss)
Balance at Dec. 31, 2019	$ 130,349	$ 2	$ 200,119	$ (69,901)	$ 129
Balance, Shares at Dec. 31, 2019		22,600,338
Issuance of common stock	44,659	$ 1	44,658
Issuance of common stock, shares		2,400,000
Restricted common stock vested in the period, Shares		33,398
Stock-based compensation	2,573		2,573
Net loss	(21,310)			(21,310)
Other comprehensive loss	(153)				(153)
Balance at Mar. 31, 2020	156,118	$ 3	247,350	(91,211)	(24)
Balance, Shares at Mar. 31, 2020		25,033,736
Balance at Dec. 31, 2019	130,349	$ 2	200,119	(69,901)	129
Balance, Shares at Dec. 31, 2019		22,600,338
Balance at Dec. 31, 2020	172,095	$ 3	345,180	(173,171)	83
Balance, Shares at Dec. 31, 2020		29,776,544
Issuance of common stock in connection with common stock option exercises	80		80
Issuance of common stock in connection with common stock option exercises, Shares		12,535
Issuance of common stock	7,038		7,038
Issuance of common stock, shares		375,654
Restricted common stock vested in the period, Shares		33,396
Stock-based compensation	5,285		5,285
Net loss	(50,532)			(50,532)
Other comprehensive loss	(83)				$ (83)
Balance at Mar. 31, 2021	$ 133,883	$ 3	$ 357,583	$ (223,703)
Balance, Shares at Mar. 31, 2021		30,198,129