Schedule of Stockholders’ Equity (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			$ 13,399
Stock-based compensation			3
Issuance of common stock for services by third parties			230
Issuance of common stock for services by employees			206
Issuance of detachable warrants on notes payable			1,454
Shares issued for cash			197
Preferred stock dividends	$ (36)		(75)
Net loss	(1,788)	$ (1,768)	(3,824)	$ 1,940
Ending balance	11,590		11,590
Preferred Stock [Member] | Preferred Class B [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance
Beginning balance, shares			2,500
Stock-based compensation
Issuance of common stock for services by third parties
Issuance of common stock for services by employees
Issuance of detachable warrants on notes payable
Shares issued for cash
Preferred stock dividends
Net loss
Ending balance
Ending balance, shares	2,500		2,500
Common Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			$ 1
Beginning balance, shares			14,791
Stock-based compensation
Issuance of common stock for services by third parties
Issuance of common stock for services by third parties, shares			286
Issuance of common stock for services by employees
Issuance of common stock for services by employees, shares			170
Issuance of detachable warrants on notes payable
Shares issued for cash			$ 1
Shares issued for cash, shares			200
Preferred stock dividends
Net loss
Ending balance	$ 2		$ 2
Ending balance, shares	15,447		15,447
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			$ 72,003
Stock-based compensation			3
Issuance of common stock for services by third parties			230
Issuance of common stock for services by employees			206
Issuance of detachable warrants on notes payable			1,454
Shares issued for cash			196
Preferred stock dividends
Net loss
Ending balance	$ 74,092		74,092
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(58,605)
Stock-based compensation
Issuance of common stock for services by third parties
Issuance of common stock for services by employees
Issuance of detachable warrants on notes payable
Shares issued for cash
Preferred stock dividends			(75)
Net loss			(3,824)
Ending balance	$ (62,504)		$ (62,504)