BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Current assets:
Cash and cash equivalents	$ 7,742	$ 5,188
Investments	2,649	2,220
Accounts receivable, net of allowance for doubtful accounts of $0 and $14 at June 30, 2019 and 2018, respectively	4,100	2,955
Deferred costs	430	32
Notes receivable (See Note 6)		1,176
Inventory	6,239	4,393
Prepaid expenses and other current assets	623	269
Total current assets	21,783	16,233
Plant, equipment and leasehold improvements, net	2,726	1,755
Intangibles, net	129	140
Deferred income taxes, net	260	1,678
Investments	582
Notes receivable, net of current portion (See Note 6)		43
Other assets	40	68
Total assets	25,520	19,917
Current liabilities:
Accounts payable	1,996	1,083
Accrued liabilities	1,437	1,266
Deferred revenue	215	31
Note payable and capital lease obligations	622	35
Total current liabilities	4,270	2,415
Non-current liabilities:
Deferred rent	146	97
Income taxes payable	162	123
Notes and capital lease payable, net of current portion	3,934	6
Total non-current liabilities	4,242	226
Total liabilities	8,512	2,641
Commitments and Contingencies:
Shareholders' equity:
Common stock, no par value, 50,000,000 shares authorized; 4,039,491 and 4,331,089 shares issued and outstanding at June 30, 2019 and 2018, respectively	15,815	19,835
Accumulated other comprehensive loss	(549)	(153)
Retained earnings (accumulated deficit)	1,742	(2,406)
Total shareholders' equity	17,008	17,276
Total liabilities and shareholders' equity	$ 25,520	$ 19,917