EARNINGS PER SHARE (Details) - USD ($)	3 Months Ended				6 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2018	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Basic EPS:
Net (loss) income	$ (291,021)	$ 220,777	$ 180,715	$ 164,385	$ (70,244)	$ 345,100
weighted average shares	29,254,594		28,824,593		29,254,048	28,824,593
Basic (loss) income per share	$ (0.01)		$ 0.01		$ 0.00	$ 0.01
Diluted EPS:
Net (loss) income	$ (291,021)	$ 220,777	$ 180,715	$ 164,385	$ (70,244)	$ 345,100
Dilutive effect of stock options			1,325,892			1,229,462
Diluted weighted average shares	29,254,594		30,150,485		29,254,048	30,054,055
Net (loss) income per share diluted	$ (0.01)		$ 0.01		$ 0.00	$ 0.01
Antidilutive securities excluded from computation of earnings per share amount (in shares)	2,968,000		642,668		2,968,000	596,668