CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021
Current Assets:
Cash and cash equivalents	$ 5,177	$ 3,721
Investments	1,506	1,295
Accounts receivable, net of allowance for doubtful accounts of $7 and $2 at September 30, 2021 and at June 30, 2021, respectively	10,093	10,933
Deferred costs	184	193
Inventory	8,907	8,437
Prepaid expenses and other current assets	151	434
Total current assets	26,018	25,013
Land and building, net	6,413	6,437
Equipment and leasehold improvements, net	4,535	3,845
Right of use asset, net	2,518	2,605
Intangibles, net	195	186
Deferred income taxes, net	463	463
Investments	1,656	1,704
Other assets	67	67
Total assets	41,865	40,320
Current Liabilities:
Accounts payable	2,476	2,288
Accrued expenses	2,195	2,198
Deferred revenue	293	150
Note payable	1,248	1,236
Total current liabilities	6,212	5,872
Lease liability, net of current portion	2,342	2,432
Income taxes payable	709	397
Notes payable, net of current portion	11,219	11,535
Total non-current liabilities	14,270	14,364
Total liabilities	20,482	20,236
Shareholders’ Equity:
Common stock; no par value; 50,000,000 shares authorized; 3,666,319 and 3,645,660 shares issued and outstanding at September 30, 2021 and June 30, 2021, respectively	8,188	7,953
Retained earnings	13,195	12,131
Total shareholders’ equity	21,383	20,084
Total liabilities and shareholders’ equity	$ 41,865	$ 40,320