Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Common Stock March 20, 2019	Common Stock March 2020	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income/(Loss)
Beginning balance at Dec. 31, 2018	$ 5,369	$ 1			$ 76,348	$ (71,020)	$ 40
Beginning balance, shares at Dec. 31, 2018		11,534,190
Net loss	(8,389)					(8,389)
Issuance of restricted common stock, shares			2,406,618
Stock-based compensation	1,500				1,500
Other comprehensive income (loss)	25						25
Ending balance at Mar. 31, 2019	(1,495)	$ 1			77,848	(79,409)	65
Ending balance, shares at Mar. 31, 2019		13,940,808
Beginning balance at Dec. 31, 2019	10,727	$ 2			140,477	(129,809)	57
Beginning balance, shares at Dec. 31, 2019		17,736,649
Net loss	(15,030)					(15,030)
Issuance of restricted common stock, shares		439,145		439,145
Forfeiture of 371,320 shares of restricted common stock, shares		(371,320)
Stock-based compensation	7,439				7,439
Shares of restricted common stock retired in connection with vesting	(139)				(139)
Shares of restricted common stock retired in connection with vesting, shares		(40,480)
Other comprehensive income (loss)	(2)						(2)
Ending balance at Mar. 31, 2020	$ 2,995	$ 2			$ 147,777	$ (144,839)	$ 55
Ending balance, shares at Mar. 31, 2020		17,763,994