EARNINGS PER SHARE (Details) - USD ($)	3 Months Ended						9 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2020	Dec. 31, 2019
Basic EPS:
Net (loss) income	$ (48,172)	$ 270,764	$ (116,234)	$ (319,770)	$ (291,021)	$ 220,777	$ 106,358	$ (390,014)
Weighted average shares	29,498,662			29,254,594			29,430,206	29,254,230
Basic (loss) income per share	$ 0.00			$ (0.01)			$ 0.00	$ (0.01)
Diluted EPS:
Net (loss) income	$ (48,172)	$ 270,764	$ (116,234)	$ (319,770)	$ (291,021)	$ 220,777	$ 106,358	$ (390,014)
Dilutive effect of stock options							1,591,178
Diluted weighted average shares	29,498,662			29,254,594			31,021,384	29,254,230
Diluted (loss) income per share	$ 0.00			$ (0.01)			$ 0.00	$ (0.01)
Antidilutive securities excluded from computation of earnings per share amount (in shares)	2,814,000			2,967,000			94,000	2,967,000