Condensed Consolidated Statements of Changes in Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Dec. 31, 2020	$ 54	$ 77,680	$ (75,162)	$ 2,572
Common Stock, Shares, Outstanding, Beginning Balance at Dec. 31, 2020	54,535,891
Stock-based compensation expense		1,742		1,742
Issuance of common stock, ESPP		30		30
Issuance of common stock, options exercised		65		65
Stock Issued During Period, Shares, Employee Stock Ownership Plan	40,518
Issuance of common stock, options exercised, shares	43,805
Extinguishment of beneficial conversion feature		(1,519)		(1,519)
Issuance of common stock, net of issuance costs	40	97,917		97,957
Net loss			(27,974)	(27,974)
Issuance of common stock for settlement of debt	1	1,376		1,377
Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments	7	8,401		8,408
Ending balance, value at Jun. 30, 2021	$ 102	185,732	(103,136)	82,698
Common Stock, Shares, Outstanding, Ending Balance at Jun. 30, 2021	102,271,544
Warrants exercised for cash, shares	7,431,125
Issuance of common stock for conversion of debt, shares	25,401
Issuance of common stock for extinguishment of debt, shares	406,250
Issuance of common stock for conversion of debt		40		40
Stock Issued During Period, Value, Employee Stock Ownership Plan		30		30
Warrants exercised for cash	$ 7	8,401		8,408
Issuance of common stock, net of issuance costs, shares	39,788,554
Beginning balance, value at Dec. 31, 2020	$ 54	77,680	(75,162)	2,572
Common Stock, Shares, Outstanding, Beginning Balance at Dec. 31, 2020	54,535,891
Ending balance, value at Dec. 31, 2021	$ 105	198,428	(141,210)	$ 57,323
Common Stock, Shares, Outstanding, Ending Balance at Dec. 31, 2021	105,500,445			105,500,445
Beginning balance, value at Mar. 31, 2021	$ 78	118,960	(94,278)	$ 24,760
Common Stock, Shares, Outstanding, Beginning Balance at Mar. 31, 2021	78,283,021
Stock-based compensation expense		1,037		1,037
Issuance of common stock, options exercised
Issuance of common stock, options exercised, shares	13,806
Extinguishment of beneficial conversion feature		(1,519)		(1,519)
Issuance of common stock, net of issuance costs	22	64,454		64,476
Net loss			(8,858)	(8,858)
Issuance of common stock for settlement of debt	1	1,376		1,377
Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments	1	1,384		1,385
Ending balance, value at Jun. 30, 2021	$ 102	185,732	(103,136)	82,698
Common Stock, Shares, Outstanding, Ending Balance at Jun. 30, 2021	102,271,544
Warrants exercised for cash, shares	1,285,000
Issuance of common stock for conversion of debt, shares	25,401
Issuance of common stock for extinguishment of debt, shares	406,250
Issuance of common stock for conversion of debt		40		40
Warrants exercised for cash	$ 1	1,384		1,385
Issuance of common stock, net of issuance costs, shares	22,258,066
Beginning balance, value at Dec. 31, 2021	$ 105	198,428	(141,210)	$ 57,323
Common Stock, Shares, Outstanding, Beginning Balance at Dec. 31, 2021	105,500,445			105,500,445
Stock-based compensation expense		3,193		$ 3,193
Issuance of common stock, ESPP		75		75
Issuance of common stock for prepaid services		60		60
Issuance of common stock, options exercised		8		$ 8
Stock Issued During Period, Shares, Employee Stock Ownership Plan	84,078
Issuance of common stock, options exercised, shares	6,250			6,250
[custom:IssuanceOfCommonStockForPrepaidServicesShares]	100,000
Issuance of common stock for license acquired	$ 1	840		$ 841
[custom:Issuanceofcommonstockforlicenseacquiredshares]	500,000
Net loss			(35,273)	(35,273)
Ending balance, value at Jun. 30, 2022	$ 106	202,604	(176,483)	$ 26,227
Common Stock, Shares, Outstanding, Ending Balance at Jun. 30, 2022	106,190,773			106,190,773
Stock Issued During Period, Value, Employee Stock Ownership Plan		75		$ 75
Beginning balance, value at Mar. 31, 2022	$ 105	200	(155,211)	45,637
Common Stock, Shares, Outstanding, Beginning Balance at Mar. 31, 2022	105,590,773
Stock-based compensation expense		961		961
Issuance of common stock for prepaid services		60		60
[custom:IssuanceOfCommonStockForPrepaidServicesShares]	100,000
Issuance of common stock for license acquired	$ 1	840		841
[custom:Issuanceofcommonstockforlicenseacquiredshares]	500,000
Net loss			(21,272)	(21,272)
Ending balance, value at Jun. 30, 2022	$ 106	$ 202,604	$ (176,483)	$ 26,227
Common Stock, Shares, Outstanding, Ending Balance at Jun. 30, 2022	106,190,773			106,190,773