Stock Option Plans, Shares Reserved and Warrants (Details Narrative)	1 Months Ended	3 Months Ended
	Jan. 30, 2019 USD ($) $ / shares shares	Mar. 31, 2019 USD ($) $ / shares shares	Mar. 31, 2018 USD ($)	Jan. 02, 2019 shares	Dec. 31, 2018 shares
Compensation expenses | $		$ 1,977,930	$ 1,517,657
Period for recognition		3 years
Fair value | $	$ 152,000
Dividend Rate [Member]
Expected volatility	0.000
Expected Volatility [Member]
Expected volatility	0.56
Risk Free Interest Rate [Member]
Expected volatility	0.026
Term [Member]
Term	6 years
2009 Equity Incentive Plan [Member]
Options granted | shares	90,000	90,000
Exercise price of options granted (in dollars per share) | $ / shares	$ 3.09	$ 3.09
Stock options outstanding | shares		8,945,878			9,298,101
Stock option exercisable | shares		6,653,303		2,364,568	6,130,337
RSU [Member]
Fair value | $	$ 114,000
RSU [Member] | 2009 Equity Incentive Plan [Member]
Options granted | shares	36,985
Exercise price of options granted (in dollars per share) | $ / shares	$ 3.09
RSU [Member]
Compensation expenses | $		$ 802,000	$ 258,000
Fair value | $	$ 7,259,000
RSU [Member] | 2009 Equity Incentive Plan [Member]
Options granted | shares	2,349,350
Exercise price of options granted (in dollars per share) | $ / shares	$ 3.09