Stock Options, Warrants and 401(k) Savings Plan (Summary of Warrants Activity) (Details) - Warrant [Member] - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Warrants
Warrants outstanding at beginning of period	756,365	802,365
Expired	35,000	46,000
Warrants outstanding at end of period	721,365	756,365
Price
Warrants outstanding at beginning of period	$ 0.022	$ 0.025
Expired	0.051	0.068
Warrants outstanding at end of period	$ 0.021	$ 0.022