Common Stock Options (Details)	12 Months Ended
	Dec. 31, 2015 $ / shares shares
Summary of all common stock option activity
Outstanding shares, beginning of period | shares	4,644,428
Options granted, shares | shares	625,000
Options forfeited, shares | shares	(273,333)
Options exercised | shares	0
Outstanding shares, end of period | shares	4,996,095
Exercisable shares, beginning of period | shares	3,781,096
Exercisable shares,end of period | shares	4,312,762
Outstanding weighted average exercise price, beginning | $ / shares	$ 0.68
Options granted, weighted average exercise price | $ / shares	0.39
Options forfeited, weighted average exercise price | $ / shares	0.58
Options exercised, weighted average exercise price | $ / shares	0
Outstanding weighted average exercise price, ending | $ / shares	0.65
Exercisable, weighted average exercise price, Beginning of period | $ / shares	0.68
Exercisable, weighted average exercise price, End of period | $ / shares	$ 0.68