Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2015
CASH FLOW FROM OPERATING ACTIVITIES:
Net loss	$ (1,885)	$ (1,210)	$ (2,626)	$ (1,308)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	101	182	217	220
Loss on disposal of assets		23	52	57
(Recovery) provision for doubtful accounts, net	84	(38)	26	(77)
Provision (recovery) for inventory reserve	627	972	356	(343)
Share-based compensation	22	2	62	96
Loss on sale of securities			3	11
Changes in operating assets and liabilities:
Accounts receivable	607	85	969	(831)
Inventories	(123)	112	269	572
Prepaid expenses and other assets	(63)	1	150	127
Accounts payable	(157)	132	(506)	(39)
Accrued payroll and related liabilities	(64)	(110)	(16)	74
Deferred service revenue	43	(206)	(113)	(142)
Other accrued liabilities	83	(72)	(33)	(781)
Net cash used in operating activities	(725)	(127)	(1,190)	(2,364)
CASH FLOW FROM INVESTING ACTIVITIES:
Purchases of equipment	(8)	(45)	(151)	(217)
Proceeds from the sale of equipment			62	62
Proceeds from the sale of marketable securities				1,753
Net cash (used in) provided by investing activities	(8)	(45)	(89)	1,598
NET DECREASE IN CASH, RESTRICTED CASH AND CASH EQUIVALENTS	(733)	(172)	(1,279)	(766)
CASH, RESTRICTED CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	4,696	3,963	5,242	5,462
CASH, RESTRICTED CASH AND CASH EQUIVALENTS, END OF PERIOD	3,963	3,791	3,963	4,696
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid		$ 9		$ 3