Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Asset Purchase Agreement	High Trail	Follow-on Public Offering	November 2019	July 13, 2020	August 10, 2020	Common Stock	Common Stock Asset Purchase Agreement	Common Stock High Trail	Common Stock Follow-on Public Offering	Common Stock March 20, 2019	Common Stock May 17, 2019	Common Stock June 12, 2019	Common Stock August 2019	Common Stock November 2019	Common Stock March Twelve Two Thousand Twenty	Common Stock June 30, 2020	Common Stock December 17, 2020	Common Stock July 13, 2020	Common Stock July 20, 2020	Common Stock September 30, 2020	Common Stock August 10, 2020	Common Stock December 14, 2020	Additional Paid-in Capital	Additional Paid-in Capital Asset Purchase Agreement	Additional Paid-in Capital High Trail	Additional Paid-in Capital Follow-on Public Offering	Additional Paid-in Capital November 2019	Additional Paid-in Capital July 13, 2020	Additional Paid-in Capital August 10, 2020	Accumulated Deficit	Accumulated Other Comprehensive Income
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	(58,789)																															(58,789)
Issuance of restricted common stock, shares												2,406,618	19,407	64,982	84,975	25,990
Issuance of common stock	29,447							$ 1																	29,446
Issuance of common stock, shares								3,600,000
Stock-based compensation	34,681																								34,681
Exercise of stock options	2																								2
Exercise of stock options, shares								487
Other comprehensive income (loss)	17																																17
Ending balance at Dec. 31, 2019	10,727							$ 2																	140,477							(129,809)	57
Ending balance, shares at Dec. 31, 2019								17,736,649
Net loss	(63,126)																															(63,126)
Issuance of restricted common stock					$ 659	$ 49	$ 760																						$ 659	$ 49	$ 760
Issuance of restricted common stock, shares																90,000	439,145	134,364	23,500	10,000	95,500	22,700	90,000	890,000
Forfeiture of restricted common stock, shares																	371,329	(134,366)
Issuance of 25,000 warrants on August 18, 2020	204																								204
Issuance of common stock		$ 29,077		$ 23,416					$ 1																	$ 29,076		$ 23,416
Issuance of common stock, shares									4,220,000		3,860,710
Shares of common stock retired in connection with vesting	(150)																								(150)
Shares of restricted common stock retired in connection with vesting, shares								42,779
Stock-based compensation	21,770																								21,770
Exercise of stock options	44																								44
Exercise of stock options, shares								10,697
Other comprehensive income (loss)	(48)																																(48)
Ending balance at Dec. 31, 2020	23,382							$ 3																	216,305							(192,935)	9
Ending balance, shares at Dec. 31, 2020								27,074,791
Net loss	(236,024)																															(236,024)
Issuance of restricted common stock, shares								2,025,597
Forfeiture of restricted common stock, shares								(647,659)
Issuance of 25,000 warrants on August 18, 2020	97,088																								97,088
Issuance of common stock upon exercise of stock option grants	9,033																								9,033
Issuance of common stock upon exercise of stock option grants, shares								1,011,422
Issuance of common stock related to exercise of warrants	40,318																								40,318
Issuance of common stock related to exercise of warrants, shares								6,405,605
Issuance of common stock in connection with acquisition of Healing Solutions assets	47,369																								47,369
Issuance of common stock in connection with acquisition of Healing Solutions assets, shares								2,796,001
Issuance of restricted stock awards	7,669																								7,669
Issuance of restricted stock awards, shares								769,104
Issuance of warrants to High Trail	39,016																								39,016
Issuance of warrants to Midcap	589																								589
Reclassification of warrants to liability	(21,260)																								(21,260)
Warrant modification on extinguishment	17,399																								17,399
Issuance of common stock	36,735	$ 11,075	$ 129,620							$ 2															36,735	$ 11,075	$ 129,618
Issuance of common stock, shares								2,666,667	704,548	12,284,161
Stock-based compensation	$ 22,696																								22,696
Exercise of stock options, shares	1,011,422
Other comprehensive income (loss)	$ (477)																																(477)
Ending balance at Dec. 31, 2021	$ 224,228							$ 5																	$ 653,650							$ (428,959)	$ (468)
Ending balance, shares at Dec. 31, 2021								55,090,237