Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 19,018	$ 15,576
Trade accounts receivable, net of allowance for doubtful accounts of $147 and $147, respectively	5,748	5,501
Inventories	3,243	3,135
Deferred tax assets	701	1,004
Prepaid expenses and other current assets	371	363
Total current assets	29,081	25,579
Machinery and equipment	4,190	3,948
Leasehold improvements	594	591
Gross property and equipment	4,784	4,539
Less: accumulated depreciation	(3,530)	(3,289)
Net property and equipment	1,254	1,250
Deferred tax assets	1,030	1,034
Goodwill	1,706	1,706
Intangible assets, net	1,748	2,194
Restricted certificates of deposit	450	450
Other assets	212	186
Total assets	35,481	32,399
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	1,064	1,041
Accrued wages and benefits	1,635	1,562
Accrued sales commissions	305	348
Accrued rent	577	529
Accrued professional fees	367	385
Deferred revenue and customer deposits	74	255
Domestic and foreign income taxes payable	83	83
Other current liabilities	227	376
Total current liabilities	4,332	4,579
Commitments and Contingencies (Notes 11 and 13)
Preferred stock, $0.01 par value; 5,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.01 par value; 20,000,000 shares authorized; 10,590,755 and 10,453,255 shares issued, respectively	106	105
Addtional paid-in capital	26,187	26,030
Retained earnings	3,713	636
Accumulated other comprehensive earnings	1,347	1,253
Treasury stock, at cost; 33,077 and 33,077 shares, respectively	(204)	(204)
Total stockholders' equity	31,149	27,820
Total liabilities and stockholders' equity	35,481	32,399
Common Stock [Member]
LIABILITIES AND STOCKHOLDERS' EQUITY
Total stockholders' equity	$ 106	$ 105