8. Stockholders' Equity (Details 1)	9 Months Ended
	Sep. 30, 2015 USD ($) $ / shares shares
Stockholders Equity Details 1
Number of Options Outstanding, Beginning | shares	421,250
Number of Options Granted | shares	50,000
Number of Options Exercised | shares	(123,750)
Number of Options Forfeited | shares	(2,500)
Number of Options Outstanding, Ending | shares	345,000
Number of Options Vested and Exercisable | shares	186,875
Weighted Average Exercise Price Outstanding, Beginning	$ 5.16
Weighted Average Exercise Price Granted	6.73
Weighted Average Exercise Price Exercised	2.58
Weighted Average Exercise Price Forfeited	5.09
Weighted Average Exercise Price Outstanding, Ending	6.32
Weighted Average Exercise Price Vested and Exercisable	$ 6.22
Weighted Average Remaining Contractual Life (in years) Outstanding Beginning	3 years 1 month 17 days
Weighted Average Remaining Contractual Life (in years) Outstanding Ending	3 years 7 months 6 days
Weighted Average Remaining Contractual Life (in years) Vested and Exercisable	3 years 6 months 18 days
Aggregate Intrinsic Value Outstanding, Beginning | $	$ 1,258,013
Aggregate Intrinsic Value Granted	$ 95,500
Aggregate Intrinsic Value Exercised | $	$ 662,488
Aggregate Intrinsic Value Forfeited/canceled	$ 0
Aggregate Intrinsic Value Outstanding, Ending | $	$ 801,075
Aggregate Intrinsic Value Vested and Exercisable | $	$ 451,706