Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Common Stock Issuable	Accumulated Deficit
Balance, shares at Dec. 31, 2019		38,001,543,000
Balance, amount at Dec. 31, 2019	$ 13,507	$ 38	$ 63,035	$ 1,066	$ (50,632)
Issuance of common stock for professional services, shares		281,250,000
Issuance of common stock for professional services, amount	563	$ 1	717	(155)
Issuance of common stock from the equity incentive plan, shares		194,016,000
Issuance of common stock from the equity incentive plan, amount	22	$ 0	22
Issuance of common stock from exercise of warrants, shares		708,467,000
Issuance of common stock from exercise of warrants, amount	1,418	$ 1	1,417
Issuance of common stock from settlement with Chemistry Holdings, Inc., shares		12,058,623,000
Issuance of common stock from settlement with Chemistry Holdings, Inc., amount	21,701	$ 12	21,935	(246)
Issuance of common stock from conversion of convertible promissory notes, shares		1,323,278,000
Issuance of common stock from conversion of convertible promissory notes, amount	2,196	$ 1	2,195
Issuance of common stock from acquisition of Sera Labs, Inc., shares		6,909,091,000
Issuance of common stock from acquisition of Sera Labs, Inc., amount	9,535	$ 7	9,528
Warrants granted for services	119		119
Fair value of stock options and restricted stock granted	2,507		2,507
Fair value of restricted stock units granted	332		332
Net loss	(30,621)				(30,621)
Balance, shares at Dec. 31, 2020		59,476,268,000
Balance, amount at Dec. 31, 2020	21,279	$ 60	101,807	665	(81,253)
Issuance of common stock for professional services, shares		646,512,000
Issuance of common stock for professional services, amount	787	$ 1	607	179
Issuance of common stock from the equity incentive plan, shares		904,929,000
Issuance of common stock from the equity incentive plan, amount	(50)	$ 1	187	(238)
Issuance of common stock from conversion of convertible promissory notes, shares		7,147,255,000
Issuance of common stock from conversion of convertible promissory notes, amount	4,146	$ 7	4,402	(263)
Fair value of stock options and restricted stock granted	2,571		2,571
Fair value of restricted stock units granted	572		572
Net loss	(13,193)				(13,193)
Issuance of common stock for cashless exercise of warrants, shares		26,936,000
Issuance of common stock for cashless exercise of warrants, amount	0	$ 0	0	0
Balance, shares at Dec. 31, 2021		68,201,900,000
Balance, amount at Dec. 31, 2021	$ 16,112	$ 69	$ 110,146	$ 343	$ (94,446)