Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Asset Purchase Agreement	High Trail	Common Stock	Common Stock Asset Purchase Agreement	Common Stock High Trail	Common Stock June 30, 2020	Common Stock March 12, 2020	Additional Paid-in Capital	Additional Paid-in Capital Asset Purchase Agreement	Additional Paid-in Capital High Trail	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	(17,967)											(17,967)
Forfeiture of restricted common stock, shares				(134,366)			(134,366)	(371,329)
Issuance of restricted common stock, shares				134,364			134,364	439,145
Shares of restricted common stock retired in connection with vesting	(139)								(139)
Shares of restricted common stock retired in connection with vesting, shares				41,299
Stock-based compensation expense	12,610								12,610
Other comprehensive loss	(9)												(9)
Ending balance at Jun. 30, 2020	5,222			$ 2					152,948			(147,776)	48
Ending balance, shares at Jun. 30, 2020				17,763,164
Beginning balance at Mar. 31, 2020	2,995			$ 2					147,777			(144,839)	55
Beginning balance, shares at Mar. 31, 2020				17,763,994
Net loss	(2,937)											(2,937)
Forfeiture of restricted common stock, shares				(134,366)			(134,366)
Issuance of restricted common stock, shares				134,364			134,364
Shares of restricted common stock retired in connection with vesting, shares				828
Stock-based compensation expense	5,171								5,171
Other comprehensive loss	(7)												(7)
Ending balance at Jun. 30, 2020	5,222			$ 2					152,948			(147,776)	48
Ending balance, shares at Jun. 30, 2020				17,763,164
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	(118,859)											(118,859)
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	$ 40,284								40,284
Issuance of common stock related to exercise of warrants, shares				1,047,140
Issuance of common stock in connection with acquisition of Healing Solution assets	39,454								39,454
Issuance of common stock in connection with acquisition of Healing Solutions assets, shares				1,387,759
Issuance of restricted stock awards	3,370								3,370
Issuance of restricted stock awards, shares				108,696
Issuance of warrants to High Trail	39,016								39,016
Issuance of common stock	36,735	$ 11,075	$ 4,056						36,735	$ 11,075	$ 4,056
Issuance of common stock, shares				2,666,667	704,548	130,000
Reclassification of warrants to equity	80,022								80,022
Forfeiture of restricted common stock, shares				(258,971)
Issuance of restricted common stock, shares				1,895,642
Stock-based compensation expense	8,539								8,539
Other comprehensive loss	(46)												(46)
Ending balance at Jun. 30, 2021	175,777			$ 3					487,605			(311,794)	(37)
Ending balance, shares at Jun. 30, 2021				35,734,767
Beginning balance at Mar. 31, 2021	38,465			$ 3					313,911			(275,488)	39
Beginning balance, shares at Mar. 31, 2021				30,590,796
Net loss	(36,306)											(36,306)
Issuance of common stock related to exercise of warrants	112								112
Issuance of common stock related to exercise of warrants, shares				7,180
Issuance of warrants to High Trail	39,016								39,016
Issuance of common stock	36,735	$ 11,075	$ 4,056						36,735	$ 11,075	$ 4,056
Issuance of common stock, shares				2,666,667	704,548	130,000
Reclassification of warrants to equity	80,022								80,022
Forfeiture of restricted common stock, shares				(258,971)
Issuance of restricted common stock, shares				1,895,642
Cancellation of RSU issued to consultant	(57)								(57)
Cancellation of RSU issued to consultant, shares				(1,095)
Stock-based compensation expense	2,735								2,735
Other comprehensive loss	(76)												(76)
Ending balance at Jun. 30, 2021	$ 175,777			$ 3					$ 487,605			$ (311,794)	$ (37)
Ending balance, shares at Jun. 30, 2021				35,734,767