STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 4,450	$ 6,112
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	686	573
Gain on collection of note receivable		(952)
Gain on sale of investments	(1,327)	(25)
Non-cash lease expense	26	41
Gain on sale or disposal of equipment		(5)
Amortization of loan fees	49	9
Share-based compensation	901	286
Deferred income taxes	(181)	(22)
Bad debt expense	5	6
Changes in operating assets and liabilities:
Accounts receivable	(5,783)	(1,061)
Deferred costs	(38)	275
Inventory	(199)	(1,999)
Prepaid expenses and other assets	(314)	476
Accounts payable, accrued expenses and deferred rent	105	604
Deferred revenue	(50)	(15)
Income taxes payable	(408)	642
Net cash provided by (used in) operating activities	(2,078)	4,945
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of equipment and leasehold improvements	(1,769)	(519)
Purchase of land and building	(6,499)
Proceeds from dividend reclassified as return of principal		15
Proceeds from sale of equipment		5
Proceeds from collection of notes receivable		952
Proceeds from sale of investments	4,596	128
Increase in intangibles	(38)	(46)
Purchase of investments		(2,822)
Net cash used in investing activities	(3,710)	(2,287)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments note payable	(351)	(630)
Borrowing from Minnesota Bank & Trust, net of loan origination fees	9,139
Repurchases of common stock	(5,537)	(3,388)
Payments of employee taxes on net issuance of common stock	(259)
Proceeds from exercise of stock options and ESPP contributions	96	39
Net cash provided by (used in) financing activities	3,088	(3,979)
Net decrease in cash and cash equivalents	(2,700)	(1,321)
Cash and cash equivalents, beginning of year	6,421	7,742
Cash and cash equivalents, end of year	3,721	6,421
Noncash investing and financing activities:
Cashless stock option exercise	4
Cash paid during the period for:
Income taxes, net of refunds	1,767	683
Interest	$ 330	$ 218