Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 19,616	$ 19,018
Trade accounts receivable, net of allowance for doubtful accounts of $147 and $147, respectively	7,744	5,748
Inventories	3,873	3,243
Deferred tax assets	717	701
Prepaid expenses and other current assets	261	371
Total current assets	32,211	29,081
Property and equipment:
Machinery and equipment	4,318	4,190
Leasehold improvements	594	594
Gross property and equipment	4,912	4,784
Less: accumulated depreciation	(3,582)	(3,530)
Net property and equipment	1,330	1,254
Deferred tax assets	924	1,030
Goodwill	1,706	1,706
Intangible assets, net	1,563	1,748
Restricted certificates of deposit	450	450
Other assets	211	212
Total assets	38,395	35,481
Current liabilities:
Accounts payable	1,713	1,064
Accrued wages and benefits	1,443	1,635
Accrued rent	593	577
Accrued professional fees	329	367
Accrued sales commissions	432	305
Domestic and foreign income taxes payable	617	83
Other current liabilities	413	301
Total current liabilities	5,540	4,332
Commitments and Contingencies
Stockholders' equity:
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; 10,595,755 and 10,590,755 shares issued, respectively	106	106
Additional paid-in capital	26,261	26,187
Retained earnings	5,356	3,713
Accumulated other comprehensive earnings	1,336	1,347
Treasury stock, at cost; 33,077 and 33,077 shares, respectively	(204)	(204)
Total stockholders' equity	32,855	31,149
Total liabilities and stockholders' equity	$ 38,395	$ 35,481