Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of pretax loss from operations

	Years Ended December 31,
	2021			2020
U.S. Domestic	$	(8,268	)	$	(8,373	)
Foreign		-			-
Pretax loss from operations	$	(8,268	)	$	(8,373	)

Schedule of reconciliation on income taxes

	Years Ended December 31,
	2021		2020
Current	$		$
Federal		-		-
State		-		-
Foreign		-		-
Total current		-		-
Deferred
Federal		-		-
State		-		-
Foreign		-		-
Total deferred		-		-
Total income tax expense (benefit)	$	-	$	-

Schedule of reconciliation on income taxes

	Years Ended December 31,
	2021			2020
Income tax benefit at statutory rates	$	(1,736	)	$	(1,758	)
State income tax, net of federal benefit		(329	)		(309	)
Permanent items		-			1
Stock-based compensation		118			84
PPP loan forgiveness		(137	)		-
Change in rate		-			-
Stock compensation DTA adjustment		-			-
Change in valuation allowance		1,976			1,982
RTP and other		109			-
Income tax expense (benefit)	$	-		$	-

Schedule of deferred tax assets

	December 31,
	2021			2020
Deferred tax assets:
ASC 842 leases	$	130		$	167
Federal and state net operating loss carryovers		19,448			17,548
Stock-Based Compensation		333			289
Compensation accruals and other		139			84
Depreciation		-			17
Total deferred tax assets		20,050			18,105
Valuation allowance for deferred tax assets		(19,916	)		(17,940	)
Deferred tax assets, net of valuation allowance		134			165
Deferred tax liabilities:
Depreciation		(7	)		-
ASC 842 assets		(127	)		(165
Total deferred tax liabilities		(134	)		(165	)
	$	-		$	-

Schedule of unrecognized tax benefits

	Years Ended December 31,
	2021		2020
Gross unrecognized tax benefits at the beginning of the year	$	-	$	-
Increases related to current year positions		-		-
Increases related to prior year positions		-		-
Decreases related to prior year positions		-		-
Expiration of unrecognized tax benefits		-		-
Gross unrecognized tax benefits at the end of the year	$	-	$	-