Earnings Per Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Numerator
Net income	$ 406,617	$ 280,509	$ 413,146	$ 91,330
Weighted average shares outstanding used in computing earnings per share
Basic	12,743,379	10,979,086	12,412,442	10,373,326
Effect of dilutive stock options, warrants, and unvested restricted stock awards	1,063,382	970,507	1,055,120	1,144,278
Diluted	13,806,761	11,949,593	13,467,562	11,517,604
Earnings per share
Basic	$ 0.03	$ 0.03	$ 0.03	$ 0.01
Diluted	$ 0.03	$ 0.02	$ 0.03	$ 0.01