Changes in Stockholders' Deficit (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net loss	$ 663,000	$ (216,000)	$ (138,000)	$ (563,000)
Common Stock [Member]
Common Stock shares, Beginning Balance			37,703,476	32,680,984
Common Stock amount, Beginning Balance			$ 377,000	$ 327,000
Shares issued in connection with private placement, shares				2,842,856
Shares issued in connection with private placement, amount				$ 28,000
Shares issued to Cherokee in connection with loan, shares				300,000
Shares issued to Cherokee in connection with loan, amount				$ 3,000
Shares issued for board meeting attendance in lieu of cash, shares				129,636
Shares issued for board meeting attendance in lieu of cash, amount				$ 1,000
Shares issued to Lincoln Park for the balance of Initial Purchase under the 2020 Lincoln Park Equity Line, shares			500,000
Shares issued to Lincoln Park for the balance of Initial Purchase under the 2020 Lincoln Park Equity Line, amount			$ 5,000
Shares issued to Lincoln Park for purchases under the 2020 Lincoln Park Equity Line, shares			5,800,000
Shares issued to Lincoln Park for purchases under the 2020 Lincoln Park Equity Line, amount			$ 58,000
Shares issued for Cherokee interest in lieu of cash, shares			895,000
Common Stock amount, Ending Balance			$ 449,000	$ 359,000
Shares issued for Cherokee interest in lieu of cash, amount			$ 9,000
Common Stock shares, Ending Balance			44,898,476	35,953,476
Additional Paid-In Capital [Member]
Shares issued in connection with private placement, amount				$ 171,000
Shares issued to Cherokee in connection with loan, amount				18,000
Shares issued for board meeting attendance in lieu of cash, amount				30,000
Shares issued to Lincoln Park for the balance of Initial Purchase under the 2020 Lincoln Park Equity Line, amount			$ 120,000
Shares issued to Lincoln Park for purchases under the 2020 Lincoln Park Equity Line, amount			449,000
Shares issued for Cherokee interest in lieu of cash, amount			27,000
Additional Paid-in Capital amount, Beginning Balance			21,717,000	21,437,000
Share based payment expense				2,000
Additional Paid-in Capital amount, Ending Balance			22,313,000	21,658,000
Retained Earnings (Accumulated Deficit) [Member]
Accumulated deficit amount, Beginning Balance			(23,350,000)	(22,554,000)
Accumulated deficit amount, Ending Balance			(23,488,000)	(23,117,000)
Net loss			(138,000)	(563,000)
Total [Member]
Shares issued in connection with private placement, amount				199,000
Shares issued to Cherokee in connection with loan, amount				21,000
Shares issued for board meeting attendance in lieu of cash, amount				31,000
Shares issued to Lincoln Park for the balance of Initial Purchase under the 2020 Lincoln Park Equity Line, amount			125,000
Shares issued to Lincoln Park for purchases under the 2020 Lincoln Park Equity Line, amount			507,000
Shares issued for Cherokee interest in lieu of cash, amount			36,000
Share based payment expense				2,000
Net loss			(138,000)	(563,000)
Balance amount. Beginning			(1,256,000)	(790,000)
Balance amount. Ending			$ (726,000)	$ (1,100,000)