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STOCK-BASED COMPENSATION (Details Narrative) - USD ($)		1 Months Ended						3 Months Ended
	Feb. 12, 2019	Jan. 31, 2020	Apr. 30, 2019	Jan. 31, 2019	Mar. 31, 2018	Mar. 31, 2017	Aug. 31, 2016	Mar. 31, 2020	Mar. 31, 2019
Restricted Stock Units (RSUs) [Member] | Director [Member]
Restricted stock units granted		73,550		75,350
Vesting period		1 year		1 year
Stock-based compensation								$ 258,000	$ 250,000
Stock Awards [Member] | Employees [Member]
Number of common shares granted			94,972		81,186	73,060	98,645
Number of shares returned for employee's withholding taxes (shares)	1,221
Value of shares returned for employee's withholding taxes	$ 20,300
Stock Awards [Member] | Employees [Member] | Granted in April 2019 [Member] | Selling, General and Administrative Expenses [Member]
Stock-based compensation								40,600
Stock Awards [Member] | Employees [Member] | Granted in April 2019 [Member] | Cost of Sales [Member]
Stock-based compensation								10,000
Stock Awards [Member] | Employees [Member] | Granted in March 2018 [Member] | Selling, General and Administrative Expenses [Member]
Stock-based compensation								21,200	50,100
Stock Awards [Member] | Employees [Member] | Granted in March 2018 [Member] | Cost of Sales [Member]
Stock-based compensation								4,300	8,400
Stock Awards [Member] | Employees [Member] | Granted in August 2016 and March 2017 [Member] | Selling, General and Administrative Expenses [Member]
Stock-based compensation								10,000	34,800
Stock Awards [Member] | Employees [Member] | Granted in August 2016 and March 2017 [Member] | Cost of Sales [Member]
Stock-based compensation								$ 3,200	$ 7,700

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