Quarterly report pursuant to Section 13 or 15(d)

Employee Stock Options (Details Textual)

v3.19.1
Employee Stock Options (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 13, 2017
Jan. 09, 2017
Jun. 01, 2015
Mar. 20, 2019
May 16, 2018
Mar. 28, 2018
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2016
Employee Stock Options (Textual)                  
Description of employee stock options       One grant, relating to the option to purchase 30,000 shares of the Company's common stock, vests after one year, and one grant, relating to the option to purchase 100,000 shares of the Company's common stock, vests after two years. These stock options have an exercise price of $1.06 per share and expire on March 20, 2023.         The Company granted 10,000 options to an employee with two-year vesting and an exercise price of $3.00 and an expiration date of December 6, 2019.
Compensation expense             $ 1,670 $ 1,104  
Remaining balance to be recognized             $ 87,548    
Option to purchase             130,000 100,000  
Estimated fair value of the options to purchase             $ 89,217 $ 31,322  
Employee Stock Option [Member]                  
Employee Stock Options (Textual)                  
Compensation expense             1,670 $ 190  
Remaining balance to be recognized             87,547    
Option to purchase               100,000  
2015 Equity Plan [Member]                  
Employee Stock Options (Textual)                  
Description of employee stock options         The Company granted options to purchase shares of its common stock outside its 2015 Equity Plan to four employees. Reginald Brown, Jr. was issued an option to purchase 200,000 shares of common stock, and Kendall Carpenter, the Company's Executive Vice President and Chief Financial Officer, was issued an option to purchase 130,000 shares of common stock. These options were immediately vested, have an exercise price of $1.00 per share and expire May 16, 2022. Two engineers received options to purchase an aggregate of 130,000 shares of common stock. These options vest 50% after one year and the remaining 50% after two years, have an exercise price of $1.00 per share and expire May 16, 2022. One of the engineers terminated during the first quarter of 2019, before his option relating to 40,000 shares vested, and $7,376 in previously recognized 2018 expense was reversed due to option expiration.        
Compensation expense             6,664    
Remaining balance to be recognized             $ 12,265    
Option to purchase             90,000    
Robert Guerra [Member]                  
Employee Stock Options (Textual)                  
Description of employee stock options           The Company granted to Robert Guerra, a newly appointed director, an option to purchase 100,000 shares of the Company's common stock outside its 2015 Equity Plan. The option vests 50% one year after the date of grant and the remaining 50% two years after the date of grant provided the director is still actively involved with the Company. The option has an exercise price of $1.00 per share and expires on March 28, 2022.      
Compensation expense             $ 7,013 $ 190  
Remaining balance to be recognized             9,642    
Director [Member]                  
Employee Stock Options (Textual)                  
Description of employee stock options   The Company issued an option to purchase 100,000 shares of common stock with an exercise price of $2.90 per share to a director. The option vests 50,000 after one year from grant date and another 50,000 two years from grant date with an expiration date of four years from grant date provided that the Director is still providing service to the Company.              
Compensation expense               $ 11,278  
Option to purchase               100,000  
Director [Member] | 2015 Equity Plan [Member]                  
Employee Stock Options (Textual)                  
Description of employee stock options The Company issued outside its 2015 Equity Plan, 100,000 options each to two newly-appointed directors, or a total of 200,000 options. These options vest 50% after one year and the remaining 50% after two years provided the director is still actively involved with the Company. The options are exercisable at an exercise price of $1.00 per share and expire on December 13, 2021.                
Compensation expense             6,712 $ 18,213  
Remaining balance to be recognized             $ 18,835    
Option to purchase             200,000    
Employee [Member]                  
Employee Stock Options (Textual)                  
Description of employee stock options     The Company issued an option award to an employee for 37,500 shares vesting over three years with an exercise price of $10.80 and expiration date of May 4, 2019.            
Compensation expense               $ 8,620  
Option to purchase               37,500