CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 14,901	$ 8,520	$ 12,223
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,696	1,495	1,409
Impairment of intangible asset		1,852
Loss on marketable securities	9
(Recovery of) provision for doubtful accounts	(100)	238	(26)
Change to inventory obsolescence reserve	519	(124)	(272)
Deferred income taxes	235	40	755
Stock based compensation expense	435	583	160
Changes in operating assets and liabilities:
Accounts receivable	(5,049)	2,800	(1,440)
Inventories	8,794	(6,793)	(5,991)
Prepaid expenses and other current assets	(359)	(168)	318
Other assets			(11)
Accounts payable, accrued expenses, accrued salaries and wages, accrued income taxes	1,906	1,862	1,528
Net Cash Provided by Operating Activities	22,987	10,305	8,653
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property, plant, and equipment	(1,007)	(1,615)	(1,988)
Purchases of marketable securities	(5,422)
Net Cash Used in Investing Activities	(6,429)	(1,615)	(1,988)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt		3,904
Proceeds from stock option exercises		80	53
Cash paid for purchase of treasury stock		(2,454)	(3,998)
Net Cash Provided by (Used in) Financing Activities		1,530	(3,945)
Net increase in Cash and Cash Equivalents	16,558	10,220	2,720
CASH AND CASH EQUIVALENTS - Beginning	18,248	8,028	5,308
CASH AND CASH EQUIVALENTS - Ending	34,806	18,248	8,028
SUPPLEMENTAL CASH FLOW INFORMATION
Interest paid	18	29	23
Income taxes paid	$ 1,970	$ 749	262
Surrender of Common Shares			$ 8