Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income/(Loss)
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/awards, shares		439,145
Forfeiture of restricted common stock, shares		371,320
Stock-based compensation expense	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 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
Beginning balance at Dec. 31, 2020	23,382	$ 3	216,305	(192,935)	9
Beginning balance, shares at Dec. 31, 2020		27,074,791
Net loss	(82,553)			(82,553)
Issuance of common stock upon exercise of stock option grants	$ 8,749		8,749
Issuance of common stock upon exercise of stock option grants, shares	978,495	978,495
Issuance of common stock related to exercise of warrants	$ 40,172		40,172
Issuance of common stock related to exercise of warrants, shares		1,039,960
Issuance of common stock in connection with acquisition of Healing Solutions assets	39,454		39,454
Issuance of common stock in connection with acquisition of Healing Solutions assets, shares		1,387,759
Issuance of restricted common stock/awards	3,427		3,427
Issuance of restricted common stock/awards, shares		109,791
Stock-based compensation expense	5,804		5,804
Other comprehensive loss	30				30
Ending balance at Mar. 31, 2021	$ 38,465	$ 3	$ 313,911	$ (275,488)	$ 39
Ending balance, shares at Mar. 31, 2021		30,590,796