Stockholders' Equity (Details) (Employee Stock Option [Member], USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding beginning of the year	1,465,000	1,313,500
Options Granted	0	230,000
Options Exercised	0	0
Options Expired and forfeited	(83,000)	(78,500)
Outstanding at end of year	1,382,000	1,465,000
Exercisable at end of year	608,000	555,500
Weighted Avg. Exercise Price Outstanding beginning of the year (in dollars per share)	$ 3.42	$ 3.95
Weighted Avg. Exercise Price Granted (in dollars per share)		$ 1.17
Weighted Avg. Exercise Price Expired and forfeited (in dollars per share)	$ 2.40	$ 5.57
Weighted Avg. Exercise Price Outstanding at end of year (in dollars per share)	$ 3.49	$ 3.42
Weighted Avg. Exercise Price Exercisable at end of year (in dollars per share)	$ 6.39	$ 7.05