CONSOLIDATED BALANCE SHEETS (in thousands, except share data) (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 8,921	$ 9,361
Trade accounts receivable, net of allowance for doubtful accounts of $105 and $93, respectively	3,834	4,109
Inventories	3,833	4,445
Other current assets	332	426
TOTAL CURRENT ASSETS	16,920	18,341
Property, plant and equipment - net	920	926
Other assets	63	65
TOTAL ASSETS	17,903	19,332
CURRENT LIABILITIES:
Accounts payable	1,162	968
Accrued compensation	960	1,756
Deferred revenue	1,046	1,801
Other accrued liabilities	650	640
Accrued costs of business restructuring	103	113
TOTAL CURRENT LIABILITIES	3,921	5,278
Long-term other payables	141	183
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, 7,863,527 shares as of March 31, 2015 and 7,861,141 shares as of December 31, 2014	18,796	18,704
Accumulated earnings (deficit)	(5,894)	(5,943)
Accumulated other comprehensive income	939	1,110
TOTAL STOCKHOLDERS' EQUITY	13,841	13,871
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 17,903	$ 19,332