Stockholders' Equity (Details 3) - Warrant [Member] - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding beginning of the year	35,025	37,987
Warrants Granted	15,328	11,192
Warrants Exercised	0	0
Warrants Expired	(11,768)	(14,154)
Outstanding at end of year	38,585	35,025
Exercisable at end of year	38,585	35,025
Weighted Avg. Exercise Price Outstanding beginning of the year (in dollars per share)	$ 1.78	$ 1.76
Weighted Avg. Exercise Price Granted (in dollars per share)	0.58	1.17
Weighted Avg. Exercise Price Expired (in dollars per share)	1.31	1.23
Weighted Avg. Exercise Price Outstanding at end of year (in dollars per share)	$ 1.45	$ 1.78