CONSOLIDATED BALANCE SHEETS (in thousands, except share data) (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 8,824	$ 11,268
Trade accounts receivable, net of allowance for doubtful accounts of $90 and $43, respectively	4,388	2,790
Inventories	4,088	3,705
Other current assets	374	577
TOTAL CURRENT ASSETS	17,674	18,340
Property, plant and equipment - net	1,651	1,237
Other assets	63	63
TOTAL ASSETS	19,388	19,640
CURRENT LIABILITIES:
Accounts payable	920	1,250
Accrued compensation	1,223	1,689
Deferred revenue	1,071	1,038
Other accrued liabilities	717	540
TOTAL CURRENT LIABILITIES	3,931	4,517
Long-term other payables	473	429
COMMITMENTS	0	0
STOCKHOLDERS' EQUITY
Preferred stock - Authorized, 5,000,000 shares, including 200,000 shares of Series A Junior Participating Issued and outstanding, none	0	0
Common stock, at stated value - Authorized, 30,000,000 shares Issued and outstanding, 7,977,787 shares as of June 30, 2016 and 7,943,720 shares as of December 31, 2015	19,125	19,051
Accumulated earnings (deficit)	(4,740)	(5,016)
Accumulated other comprehensive income	599	659
TOTAL STOCKHOLDERS' EQUITY	14,984	14,694
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 19,388	$ 19,640