Income (Loss) Per Common Share - Schedule of Reconciliation of Basic Net Loss Per Share and Diluted Loss Per Share (Details) - USD ($)	3 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Income (loss) per common share:
Net income (loss)	$ 14,420	$ (295,552)
Weighted average common shares outstanding - basic	2,037,266	2,037,266
Effect of the assumed exercise of dilutive stock options
Weighted average common shares outstanding - dilutive	2,037,266	2,037,266
Income (loss) per common share: Basic	$ 0.01	$ (0.15)
Income (loss) per common share: Diluted	$ 0.01	$ (0.15)