CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 2,113,553	$ (69,104)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	355,812	330,978
Stock-based compensation	369,653	434,954
Recovery of uncollectible accounts	(944)	(12,000)
Provision for sales returns	89,000	134,000
Provision for inventory reserves	377,000	303,000
Provision for accounts receivable discounts	9,149	33,520
Gain on insurance claim settlement	0	(183,217)
Changes in operating assets and liabilities:
Accounts receivable	241,069	(699,463)
Inventory	(2,250,702)	(2,074,071)
Prepaid expenses and other assets, net	(1,226)	121,881
Accounts payable	(279,644)	106,254
Deferred rent	(116,156)	(103,623)
Accrued income taxes	15,584	13,781
Accrued expenses and other liabilities	716,288	(8,443)
Net cash provided by (used in) operating activities	1,638,436	(1,671,553)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(337,271)	(114,467)
Intangible assets	(56,666)	(8,362)
Net cash used in investing activities	(393,937)	(122,829)
CASH FLOWS FROM FINANCING ACTIVITIES:
Stock option exercises	2,251	0
Net cash provided by financing activities	2,251	0
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	1,246,750	(1,794,382)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	3,393,186	6,289,111
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	4,639,936	4,494,729
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	0	0
Cash paid during the period for taxes	$ 0	$ 0