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Equity - Summary of Stock Option Activity (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Weighted Average Remaining Contractual Life (Year), Vested and expected to be vested 1 month 6 days    
Stock Option [Member]      
Option Outstanding, Balance Beginning 2,002,200 2,918,000 2,286,000
Option Outstanding, Granted     960,000
Option Outstanding, Exercised (802,800)
Option Outstanding, Canceled (220,800) (113,000) (328,000)
Option Outstanding, Balance Ending 1,781,400 2,002,200 2,918,000
Option Outstanding, Vested and expected to be vested 1,760,400    
Option Outstanding, Options Exercisable 1,531,500    
Weighted Average Exercise Price, Beginning Balance $ 1.11 $ 1.14 $ 1.21
Weighted Average Exercise Price, Granted     0.99
Weighted Average Exercise Price, Exercised 1.21
Weighted Average Exercise Price, Canceled 1.15 1.11 1.21
Weighted Average Exercise Price, Ending Balance 1.11 $ 1.11 $ 1.14
Weighted Average Exercise Price, Vested and expected to be vested 1.11    
Weighted Average Exercise Price, Options Exercisable $ 1.13    
Weighted Average Remaining Contractual Life (Year), Beginning 2 years 4 months 24 days 3 years 4 months 24 days 4 years 4 months 24 days
Weighted Average Remaining Contractual Life (Year), Ending 1 year 4 months 24 days 2 years 4 months 24 days 3 years 4 months 24 days
Weighted Average Remaining Contractual Life (Year), Vested and expected to be vested 1 year 4 months 24 days    
Weighted Average Remaining Contractual Life (Year), Options exercisable 1 year 4 months 24 days    
Aggregated Intrinsic Value, Outstanding Beginning $ 188,790 $ 996,860 $ 0
Aggregated Intrinsic Value, Outstanding Ending $ 188,790 $ 996,860
Aggregated Intrinsic Value, Vested and expected to be vested    
Aggregated Intrinsic Value, Options exercisable