CONSOLIDATED BALANCE SHEETS (in thousands, except share data) (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 9,698	$ 11,268
Trade accounts receivable, net of allowance for doubtful accounts of $65 and $43, respectively	3,543	2,790
Inventories	4,401	3,705
Other current assets	488	577
TOTAL CURRENT ASSETS	18,130	18,340
Property, plant and equipment - net	1,373	1,237
Other assets	63	63
TOTAL ASSETS	19,566	19,640
CURRENT LIABILITIES:
Accounts payable	1,444	1,250
Accrued compensation	1,054	1,689
Deferred revenue	1,194	1,038
Other accrued liabilities	640	540
TOTAL CURRENT LIABILITIES	4,332	4,517
Long-term other payables	545	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, 7,910,733 shares as of March 31, 2016 and 7,943,720 shares as of December 31, 2015	19,053	19,051
Accumulated earnings (deficit)	(5,184)	(5,016)
Accumulated other comprehensive income	820	659
TOTAL STOCKHOLDERS' EQUITY	14,689	14,694
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 19,566	$ 19,640