Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)	Mar. 31, 2020	Mar. 31, 2019
Income Tax Disclosure [Abstract]
NOL Federal Carryforward	$ 312,430	$ 236,476
State NOL Carryforward	157,967	272,758
AMT credit carryforward		19,289
General business credit	14,196
Inventory differences	303,529	176,967
Stock option compensation expense	128,220	109,464
Stock warrants		23,018
Allowance for doubtful accounts	143,748	11,599
Insurance contingency	220,425
Reserve for estimated returns	112,537	67,439
Accrued vacation	42,928	7,945
Business interest deduction	55,978
Total deferred tax assets, gross	1,491,958	924,955
Less: valuation allowance	(87,842)
Total deferred tax assets, net	1,404,116	924,955
Depreciable and amortizable assets	(82,512)	(108,707)
Prepaid expenses	(35,883)	(57,882)
Net deferred tax liability	(118,395)	(166,589)
Net deferred tax asset	$ 1,285,721	$ 758,366