2. Supplemental Financial Information (Details - Other liabilities) - USD ($) $ in Thousands	Mar. 31, 2018	Jun. 30, 2017
Current
Customer deposits and refunds	$ 1,277	$ 1,119
Accrued raw materials purchases	389	484
Deferred revenue	316	196
Capital lease obligations	64	61
Taxes payable	307	275
Acccrued operating expenses	1,053	928
Total other current liabilities	3,406	3,063
Non-current
Deferred rent	164	200
Deferred revenue	157	196
Total other non-current liabilities	$ 321	$ 396