Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Abstract]
Federal net operating loss carryforward	$ 236,476	$ 263,231
State net operating loss carryforward	272,758	289,584
AMT credit carryforward	19,289	92,723
Inventory differences	176,967	190,327
Allowance for doubtful accounts	11,599	18,462
Reserve for sales returns	67,439	55,505
Stock option compensation expense	109,464	104,676
Stock warrants	23,018	22,802
Accrued expenses	7,944	7,215
Total deferred tax assets	924,954	1,044,525
Depreciation	(108,706)	(76,364)
Prepaid expenses	(57,882)	(31,024)
Net deferred tax assets	$ 758,366	$ 937,137