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STOCK BASED COMPENSATION (Tables)
6 Months Ended
Sep. 30, 2018
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
The fair value of these warrants granted was estimated as of the grant date using the Black-Scholes model with the following assumptions:
 
 
 
Common Stock Warrants

September 30, 2018
 
Expected term (in years)
 
 
5.0
 
Risk-free interest rate (%)
 
 
1.8% - 2.8
%
Expected volatility (%)
 
 
50.3% - 52.2
%
Dividend yield (%)
 
 
0.0
%
Share-based Compensation, Activity [Table Text Block]
Warrant activity is summarized as follows:
 
 
 
Shares
 
 
Weighted Average

Exercise Price
 
Warrants outstanding at March 31, 2018
 
 
207,210
 
 
$
5.69
 
Granted (Underwriter Warrants for the IPO)
 
 
57,200
 
 
$
8.75
 
Exercised
 
 
-
 
 
 
-
 
Cancelled
 
 
-
 
 
 
-
 
Warrants outstanding at September 30, 2018
 
 
264,410
 
 
$
6.35
 
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]
The fair value of the options granted on April 9, 2018 was estimated as of the grant date using the Black-Scholes model with the following assumptions.
 
 
 
Stock Options September 30,

2018
 
Expected term (in years)
 
 
5.0
 
Risk-free interest rate (%)
 
 
2.6
%
Expected volatility (%)
 
 
50.3
%
Dividend yield (%)
 
 
0.0
%
Share-based Compensation, Stock Options, Activity [Table Text Block]
The
fair value of all outstanding stock options 
is $3.21. Stock option activity is summarized as follows:
 
 
 
Shares
 
 
Weighted Average 
Exercise Price
 
Stock options outstanding at March 31, 2018
 
 
-
 
 
 
-
 
Granted
 
 
1,139,500
 
 
$
6.88
 
Exercised
 
 
-
 
 
 
-
 
Cancelled
 
 
-
 
 
 
-
 
Stock options outstanding at September 30, 2018
 
 
1,139,500
 
 
$
6.88
 
Nonqualified Stock Options [Member]  
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]
The fair value of the options granted on August 3, 2018 was estimated as of the grant date using the Black-Scholes model with the following assumptions.
 
 
 
Stock Options September 30,

2018
 
Expected term (in years)
 
 
10.0
 
Risk-free interest rate (%)
 
 
2.95
%
Expected volatility (%)
 
 
50.3
%
Dividend yield (%)
 
 
0.0
%