CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 3,597	$ 3,567
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	502	426
Amortization of loan fees	46	6
Share-based compensation	508	93
Non-cash lease expense	21	31
Gain on sale of investments	(795)
Deferred income taxes		207
Bad debt expense (recovery)	3	6
Changes in operating assets and liabilities:
Accounts receivable and other current receivables	(6,769)	(76)
Deferred costs	(18)	39
Inventory	(130)	(2,404)
Prepaid expenses and other assets	(963)	396
Accounts payable and accrued expenses	792	(301)
Deferred revenue		145
Income taxes payable	403	163
Net cash provided by (used in) operating activities	(2,803)	2,298
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of investments		(1,827)
Purchases of equipment and leasehold improvements	(872)	(422)
Proceeds from sale of investments	3,008
Proceeds from dividend reclassification as return of principal		15
Purchase of land and building	(6,499)
Increase in intangibles	(12)	(19)
Net cash used in investing activities	(4,375)	(2,253)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchases of common stock	(4,039)	(2,977)
Proceeds from exercise of options and ESPP contributions	97	39
Payment of employee payroll taxes on net issuance of common stock	(259)
Proceeds from Minnesota Bank & Trust long-term debt, net of fees	9,139
Principal payments on notes payable and finance lease	(307)	(471)
Net cash provided by (used in) financing activities	4,631	(3,409)
Net decrease in cash and cash equivalents	(2,547)	(3,364)
Cash and cash equivalents, beginning of period	6,421	7,742
Cash and cash equivalents, end of period	3,874	4,378
Cash paid during the period for:
Interest	190	161
Income taxes	1,382	382
Non-cash investing and financing activity:
Cashless stock option exercise	$ 4