Stock Options and Warrants (Details) - Relationship to Entity [Domain] - Employee Stock Option [Member] - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Shares, Beginning Balance	1,295,000	3,316,000
Shares, Granted	340,000	80,000
Shares, Exercised	0	0
Shares, Cancelled/expired	(88,000)	(817,000)
Shares, Ending Balance	1,547,000	2,579,000
Exercisable at end of year	1,105,000	2,197,000
Weighted Average Exercise Price, at beginning of year	$ 0.23	$ 0.43
Weighted Average Exercise Price, Granted	0.12	0.12
Weighted Average Exercise Price, Cancelled/expired	0.95	1.07
Weighted Average Exercise Price, at end of year	0.19	0.23
Weighted Average Exercise Price, Exercisable, at end of year	$ 0.22	$ 0.24
Aggregate Intrinsic Value, Outstanding at end of year	$ 9,000	$ 9,000