Stock Options and Award Programs (Details 1) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, outstanding and exercisable, Options outstanding, Beginning Balance	2,791,601	3,336,500
Number of Shares, Granted	180,000	360,000
Number of Shares, Cancelled	(250,000)	(144,500)
Number of Shares, Exercised	(863,933)	(760,399)	(155,500)
Number of Shares, outstanding and exercisable, Options outstanding, Ending Balance	1,857,668	2,791,601	3,336,500
Number of Shares, Options vested and expected to vest, Ending Balance	1,857,668	2,791,601
Number of Shares, Options outstanding and exercisable, Ending Balance	1,015,996	1,450,763
Weighted Average Exercise Price per Share, outstanding and exercisable, Options outstanding, Beginning Balance	$ 0.83	$ 0.72
Weighted Average Exercise Price per Share, Granted	1.45	1.45
Weighted Average Exercise Price per Share, Cancelled	0.74	0.94
Weighted Average Exercise Price per Share, Exercised	0.81	0.61
Weighted Average Exercise Price per Share, outstanding and exercisable, Options outstanding, Ending Balance	0.91	0.83	$ 0.72
Number of Shares, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price, Ending Balance	0.91	0.83
Weighted Average Exercise Price per Share, Options outstanding and exercisable, Ending Balance	$ 0.68	$ 0.77
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, outstanding and exercisable, Options outstanding, Beginning Balance	0	0
Number of Shares, Granted	0	0
Number of Shares, Cancelled	0	0
Number of Shares, Exercised	0	0
Number of Shares, outstanding and exercisable, Options outstanding, Ending Balance	0	0	0
Number of Shares, Options vested and expected to vest, Ending Balance	0	0
Number of Shares, Options outstanding and exercisable, Ending Balance	0	0
Weighted Average Exercise Price per Share, outstanding and exercisable, Options outstanding, Beginning Balance	$ 0	$ 0
Weighted Average Exercise Price per Share, Granted	0	0
Weighted Average Exercise Price per Share, Cancelled	0	0
Weighted Average Exercise Price per Share, Exercised	0	0
Weighted Average Exercise Price per Share, outstanding and exercisable, Options outstanding, Ending Balance	0	0	$ 0
Number of Shares, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price, Ending Balance	0	0
Weighted Average Exercise Price per Share, Options outstanding and exercisable, Ending Balance	$ 0	$ 0