v3.19.3.a.u2
Income Taxes (Details Narrative) (10-K) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Operating loss carryforwards $ 54,000,000  
Operating loss carryforwards expire year 2028  
Accruals for income tax accounting uncertainties
Interest or penalties  
Unrecognized tax benefits decrease or increase during period  
Deferred tax assets percentage 21.00%  
Valuation allowance deferred tax assets $ 5,500,000  
Federal [Member]    
Research and development credit carryforwards $ 2,800,000  
Research and development credit carryforwards expire year 2029  
State [Member]    
Research and development credit carryforwards $ 2,300,000