Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Details)

v3.8.0.1
Debt - Additional Information (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Jul. 31, 2016
USD ($)
Stockholder
$ / shares
shares
May 31, 2015
USD ($)
Mar. 31, 2018
USD ($)
$ / shares
Mar. 31, 2017
USD ($)
Dec. 31, 2017
Feb. 05, 2018
USD ($)
Feb. 01, 2018
$ / shares
shares
Oct. 05, 2017
USD ($)
Oct. 04, 2017
USD ($)
Debt Instrument [Line Items]                  
Warrants exercise price | $ / shares             $ 6.00    
Warrants to purchase common stock | shares             380,000    
Amortization of debt discount     $ 24,830 $ 5,959          
Warrants                  
Debt Instrument [Line Items]                  
Warrants exercise price | $ / shares     $ 5.00            
Fair value assumptions, contractual term     5 years            
Fair value assumptions, volatility rate     42.70%            
Fair value assumptions, dividend rate     0.00%            
Fair value assumptions, risk-free interest rate     2.72%            
May 2015 Note                  
Debt Instrument [Line Items]                  
Debt instrument, face amount   $ 1,250,000              
Debt instrument, accrued interest rate   3.60%              
Debt instrument, monthly principal and interest payments   $ 36,750              
Refinanced Note                  
Debt Instrument [Line Items]                  
Debt instrument, face amount $ 1,600,000                
Debt instrument, accrued interest rate 3.80%                
Debt instrument, monthly principal and interest payments $ 47,219                
Debt instrument, maturity date Jul. 31, 2019                
July 2016 Note                  
Debt Instrument [Line Items]                  
Debt instrument, face amount $ 250,000                
Debt instrument, accrued interest rate 11.00%                
Debt instrument, monthly principal and interest payments $ 9,570                
Debt instrument, maturity date Jan. 15, 2019                
Warrants to purchase common stock percentage equal to original principal 20.00%                
Warrants exercise price | $ / shares $ 1.78                
Warrants to purchase common stock | shares 28,090                
Estimated fair value of warrants $ 24,830                
July 2016 Note | Warrants                  
Debt Instrument [Line Items]                  
Fair value assumptions, exercise price | $ / shares $ 1.78                
Fair value assumptions, contractual term 7 years                
Fair value assumptions, volatility rate 54.00%                
Fair value assumptions, dividend rate 0.00%                
Fair value assumptions, risk-free interest rate 1.42%                
July 2016 Related Party Notes                  
Debt Instrument [Line Items]                  
Debt instrument, face amount $ 350,000                
Debt instrument, accrued interest rate 11.00%                
Debt instrument, monthly principal and interest payments $ 13,397                
Debt instrument, maturity date Jan. 15, 2019                
Warrants to purchase common stock percentage equal to original principal 20.00%                
Warrants exercise price | $ / shares $ 1.78                
Warrants to purchase common stock | shares 39,326                
Estimated fair value of warrants $ 34,763                
Number of stockholders | Stockholder 2                
July 2016 Related Party Notes | Warrants                  
Debt Instrument [Line Items]                  
Fair value assumptions, exercise price | $ / shares $ 1.78                
Fair value assumptions, contractual term 7 years                
Fair value assumptions, volatility rate 54.00%                
Fair value assumptions, dividend rate 0.00%                
Fair value assumptions, risk-free interest rate 1.42%                
Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Line of credit facility, expiration date     Aug. 31, 2018            
Line of credit facility, maximum borrowing capacity               $ 3,500,000 $ 3,000,000
Line of credit facility, outstanding           $ 0      
Revolving Credit Facility | LIBOR                  
Debt Instrument [Line Items]                  
Basis spread on variable rate   2.50%     3.93%