Changes in Stockholders' Deficit (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Common Stock
Beginning balance, shares			32,680,984	32,279,368
Beginning balance, amount			$ 327,000	$ 323,000
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	200,000
Shares issued to Cherokee in connection with loan, amount			$ 3,000	$ 2,000
Shares issued for board meeting attendance in lieu of cash, shares			129,636	66,408
Shares issued for board meeting attendance in lieu of cash, amount			$ 1,000	$ 0
Ending balance, shares	35,953,476	32,545,776	35,953,476	32,545,776
Ending balance, amount	$ 359,000	$ 325,000	$ 359,000	$ 325,000
Additional Paid in Capital
Beginning balance, amount			21,437,000	21,404,000
Shares issued in connection with private placement, amount			171,000
Shares issued to Cherokee in connection with loan, amount			18,000	12,000
Shares issued for board meeting attendance in lieu of cash, amount			30,000	5,000
Share based payment expense			2,000	4,000
Ending balance, amount	21,658,000	21,425,000	21,658,000	21,425,000
Accumulated Deficit
Beginning balance, amount			(22,554,000)	(21,873,000)
Net loss			(563,000)
Ending balance, amount	(23,117,000)	(22,313,000)	(23,117,000)	(22,313,000)
Beginning balance, amount			(790,000)	(146,000)
Shares issued in connection with private placement, amount			199,000
Shares issued to Cherokee in connection with loan, amount			21,000	14,000
Shares issued for board meeting attendance in lieu of cash, amount			31,000	5,000
Share based payment expense	0	1,000	2,000	4,000
Net loss	(216,000)	(144,000)	(563,000)	(440,000)
Ending balance, amount	$ (1,100,000)	$ (563,000)	$ (1,100,000)	$ (563,000)