Consolidated Balance Sheets (Except Share Data) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 8,879	$ 6,895
Trade accounts receivable, net of allowance for doubtful accounts of $151 and $150, respectively	8,278	6,244
Inventories	4,267	3,489
Prepaid expenses and other current assets	166	430
Total current assets	21,590	17,058
Machinery and equipment	3,555	3,534
Leasehold improvements	514	765
Gross property and equipment	4,069	4,299
Less: accumulated depreciation	(2,932)	(3,581)
Net property and equipment	1,137	718
Goodwill	1,656	1,656
Intangible assets, net	1,010	1,077
Restricted certificates of deposit	700	700
Other assets	181	199
Total assets	26,274	21,408
Current liabilities:
Accounts payable	2,105	1,672
Accrued wages and benefits	1,497	1,779
Accrued professional fees	370	373
Accrued warranty	286	274
Accrued sales commissions	682	522
Other accrued expenses	882	497
Domestic and foreign income taxes payable	59	30
Deferred rent	98	118
Total current liabilities	5,979	5,265
Deferred rent, net of current portion		39
Total liabilities	5,979	5,304
Commitments and Contingencies (Notes 9 and 11)
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; 10,463,255 and 10,464,505 shares issued, respectively	105	105
Addtional paid-in capital	26,039	25,973
Accumulated deficit	(6,637)	(10,549)
Accumulated other comprehensive earnings	1,398	1,311
Treasury stock, at cost; 98,649 and 119,029 shares, respectively	(610)	(736)
Total stockholders' equity	20,295	16,104
Total liabilities and stockholders' equity	$ 26,274	$ 21,408