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Stockholders' Equity - Restricted Stock Units (Detail Textual)
3 Months Ended 12 Months Ended
Jan. 04, 2020
USD ($)
employee
shares
Mar. 31, 2020
USD ($)
$ / shares
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Fair value of common stock issued for future services, net   $ 125,000 $ 192,550    
Stock issued for payment of services, net   $ 31,250 $ 37,498    
Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation arrangement by share-based payment award, equity instrument other than option, nonvested, intrinsic value | $ / shares   $ 202,552      
Share-based compensation arrangement by share-based payment award, equity instruments other than options, future compensation expected to vest over weighted average vesting period   $ 56,607   $ 32,465  
Fair value of common stock issued for future services, net   $ 327,493      
Restricted stock units, nonvested weighted average remaining contractual terms   1 year 9 months   3 years 2 months 1 year
Chief Operating Officer [Member] | Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock issued for payment of services, net (shares) | shares 84,994        
Stock issued for payment of services, net $ 23,739        
Stock issued during period, vesting period 48 months        
Chief Operating Officer [Member] | Additional incentive compensation for restricted stock units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock issued for payment of services, net (shares) | shares 100,000        
Stock issued for payment of services, net $ 27,930        
Stock issued during period, vesting period 12 months        
Employees [Member] | Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock issued for payment of services, net (shares) | shares 500,000        
Stock issued for payment of services, net $ 139,650        
Number of employees issued restricted common stock | employee 20