Total Equity - Summary of Changes in Total Equity (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Balance	$ 14,777,431
Stock-based compensation expense	181,852	$ 137,017
Net income (loss)	(141,423)	68,534
Balance	14,817,860
Common Stock [Member]
Balance	$ 25,018	$ 24,535
Balance, shares	25,018,098	24,535,155
Stock-based compensation expense
Net income (loss)
Balance	$ 25,018	$ 24,535
Balance, shares	25,018,098	24,535,155
Additional Paid-in Capital [Member]
Balance	$ 39,440,611	$ 38,907,864
Stock-based compensation expense	181,852	137,017
Net income (loss)
Balance	39,622,463	39,044,881
Accumulated Deficit [Member]
Balance	(24,688,198)	(24,629,823)
Stock-based compensation expense
Net income (loss)	(141,423)	68,534
Balance	(24,829,621)	(24,561,289)
Total Shareholders Equity [Member]
Balance	14,777,431	14,302,576
Stock-based compensation expense	181,852	137,017
Net income (loss)	(141,423)	68,534
Balance	$ 14,817,860	$ 14,508,127