Changes in Stockholders' Equity / (Deficit) (Details) - USD ($)	3 Months Ended									9 Months Ended
	Sep. 30, 2019		Jun. 30, 2019		Mar. 31, 2019		Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Common Stock
Beginning Balance, Shares	32,545,776		32,518,361		32,279,368		29,966,554	29,932,770	29,782,770	32,279,368	29,782,770
Beginning Balance, Amount	$ 325,000		$ 325,000		$ 323,000		$ 300,000	$ 299,000	$ 298,000	$ 323,000	$ 298,000
Shares issued to Cherokee in connection with loan, shares					200,000				150,000
Shares issued to Cherokee in connection with loan, amount					$ 2,000				$ 1,000
Shares issued for board meeting attendance in lieu of cash, shares			27,415		38,993			33,784
Shares issued for board meeting attendance in lieu of cash, amount			$ 0	[1]	$ 0	[1]		$ 1,000
Shares issued to Landmark in connection with consulting agreement, shares							277,778
Shares issued to Landmark in connection with consulting agreement, amount							$ 2,000
Ending Balance, Shares	32,545,776		32,545,776		32,518,361		30,244,332	29,966,554	29,932,770	32,545,776	30,244,332
Ending Balance, Amount	$ 325,000		$ 325,000		$ 325,000		$ 302,000	$ 300,000	$ 299,000	$ 325,000	$ 302,000
Additional Paid-In Capital
Beginning Balance, Amount	21,425,000		21,421,000		21,404,000		21,196,000	21,191,000	2,170,000	21,404,000	2,170,000
Shares issued to Cherokee in connection with loan, amount					12,000				17,000
Shares issued for board meeting attendance in lieu of cash, amount			2,000		3,000			3,000
Shares issued to Landmark in connection with consulting agreement, amount							22,000
Share based payment expense	0	[1]	2,000		2,000		2,000	2,000	4,000
Ending Balance, Amount	21,425,000		21,425,000		21,421,000		21,220,000	21,196,000	21,191,000	21,425,000	21,220,000
Accumulated Deficit
Beginning Balance, Amount	(22,169,000)		(22,113,000)		(21,873,000)		(21,258,000)	(21,112,000)	(20,845,000)	(21,873,000)	(20,845,000)
Net loss	(144,000)		(56,000)		(240,000)		(202,000)	(146,000)	(267,000)
Ending Balance, Amount	(21,313,000)		(22,169,000)		(22,113,000)		(21,460,000)	(21,258,000)	(21,112,000)	(21,313,000)	(21,460,000)
Beginning Balance, Amount	(419,000)		(367,000)		(146,000)		238,000	378,000	623,000	(146,000)	623,000
Shares issued to Cherokee in connection with loan, amount					14,000				18,000
Shares issued for board meeting attendance in lieu of cash, amount			2,000		3,000			4,000
Shares issued to Landmark in connection with consulting agreement, amount							24,000
Share based payment expense	0	[1]	2,000		2,000		2,000	2,000	4,000	4,000	8,000
Net loss	(144,000)		(56,000)		(240,000)		(202,000)	(146,000)	(267,000)	(440,000)	(615,000)
Ending Balance, Amount	$ (563,000)		$ (419,000)		$ (367,000)		$ 62,000	$ 238,000	$ 378,000	$ (563,000)	$ 62,000

[1] - indicates less than $1000