Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 79,009	$ 37,349
Accounts receivable, net of allowance for doubtful accounts of $2,366 (2011) and $2,017 (2010)	42,157	35,800
Inventories, net of reserves of $2,103 (2011) and $2,205 (2010)	27,388	23,811
Prepaid expenses and other current assets	2,539	1,295
Current deferred income taxes	2,549	1,874
Restricted cash	232	11
Total current assets	153,874	100,140
Property and equipment, net	27,432	27,669
Intangible assets, net	35,405	18,275
Goodwill	78,823	58,978
Long-term deferred income taxes	4,985
Other assets, net	4,072	3,738
Total assets	304,591	208,800
LIABILITIES AND EQUITY
Current portion of capitalized lease obligations	177	224
Accounts payable	26,669	26,556
Accrued and other liabilities	23,403	17,969
Customer deposits	1,423	2,298
Deferred revenue	11,109	10,618
Total current liabilities	62,781	57,665
Long-term portion of capitalized lease obligations	7,620	8,055
Other liabilities	10,638	9,961
Total liabilities	81,039	75,681
Commitments and contingencies
Stockholders' equity:
Preferred stock, authorized 5,000 shares, none issued
Common stock, $0.001 par value, authorized 60,000 shares; 50,707 (2011) and 46,948 (2010) issued	51	23
Additional paid-in capital	253,865	186,252
Treasury stock, at cost; 281 shares (2011) and 268 shares (2010)	(193)	(189)
Accumulated deficit	(37,756)	(57,925)
Accumulated other comprehensive income	7,585	4,958
Total equity	223,552	133,119
Total liabilities and equity	$ 304,591	$ 208,800