Stock Options and Award Programs (Details 1) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
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		180,000	360,000
Number of Shares, Cancelled			(250,000)
Number of Shares, Exercised	(607,869)	(75,000)	(825,029)	(75,000)
Number of Shares, Vested			0	0
Number of Shares, outstanding and exercisable, Options outstanding, Ending Balance	1,896,572	3,621,500	1,896,572	3,621,500
Number of Shares, Options vested and expected to vest, Ending Balance	1,896,572	3,621,500	1,896,572	3,621,500
Number of Shares, Options outstanding and exercisable, Ending Balance	1,042,400	1,955,662	1,042,400	1,955,662
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
Weighted Average Exercise Price per Share, Exercised			0.81	0.45
Weighted Average Exercise Price per Share, Vested			0	0
Weighted Average Exercise Price per Share, outstanding and exercisable, Options outstanding, Ending Balance	$ 0.91	$ 0.79	0.91	0.79
Number of Shares, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price, Ending Balance	0.91	0.79	0.91	0.79
Weighted Average Exercise Price per Share, Options outstanding and exercisable, Ending Balance	$ 0.68	$ 0.73	$ 0.68	$ 0.73
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, outstanding and exercisable, Options outstanding, Beginning Balance			294,048	222,619
Number of Shares, Granted			0	0
Number of Shares, Cancelled			0
Number of Shares, Exercised			0	0
Number of Shares, Vested			35,714	35,714
Number of Shares, outstanding and exercisable, Options outstanding, Ending Balance	329,762	258,333	329,762	258,333
Number of Shares, Options vested and expected to vest, Ending Balance	329,762	258,333	329,762	258,333
Number of Shares, Options outstanding and exercisable, Ending Balance	0	0	0	0
Weighted Average Exercise Price per Share, outstanding and exercisable, Options outstanding, Beginning Balance			$ 1.22	$ 1.22
Weighted Average Exercise Price per Share, Granted			0	0
Weighted Average Exercise Price per Share, Cancelled			0
Weighted Average Exercise Price per Share, Exercised			0	0
Weighted Average Exercise Price per Share, Vested			1.22	1.22
Weighted Average Exercise Price per Share, outstanding and exercisable, Options outstanding, Ending Balance	$ 1.22	$ 1.22	1.22	1.22
Number of Shares, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price, Ending Balance	1.22	1.22	1.22	1.22
Weighted Average Exercise Price per Share, Options outstanding and exercisable, Ending Balance	$ 0	$ 0	$ 0	$ 0