CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Current Assets:
Cash and cash equivalents	$ 5,252	$ 3,721
Investments	1,241	1,295
Accounts receivable, net of allowance for doubtful accounts of $4 and $2 at December 31, 2021 and at June 30, 2021, respectively	8,850	10,933
Deferred costs	424	193
Inventory	9,285	8,437
Prepaid expenses and other current assets	1,036	434
Total current assets	26,088	25,013
Land and building, net	6,390	6,437
Equipment and leasehold improvements, net	4,605	3,845
Right- of- use asset, net	2,429	2,605
Intangibles, net	157	186
Deferred income taxes, net	463	463
Investments	1,940	1,704
Other assets	42	67
Total assets	42,114	40,320
Current Liabilities:
Accounts payable	2,315	2,288
Accrued expenses	1,812	2,198
Deferred revenue	584	150
Note payable	1,260	1,236
Total current liabilities	5,971	5,872
Lease liability, net of current portion	2,248	2,432
Income taxes payable	991	397
Notes payable, net of current portion	10,899	11,535
Total non-current liabilities	14,138	14,364
Total liabilities	20,109	20,236
Shareholders’ Equity:
Common shares; no par value; 50,000,000 shares authorized; 3,641,983 and 3,645,660 shares issued and outstanding at December 31, 2021 and June 30, 2021, respectively	7,886	7,953
Retained earnings	14,119	12,131
Total shareholders’ equity	22,005	20,084
Total liabilities and shareholders’ equity	$ 42,114	$ 40,320