Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 20,835	$ 25,531
Accounts receivable, net of allowance for doubtful accounts and sales returns of $557 and $453	23,290	20,733
Inventories	13,410	10,310
Prepaid expenses and other current assets	1,663	1,661
Investment in sales-type leases, current portion	3,944	3,578
Deferred tax asset	4,009	3,135
Total current assets	67,151	64,948
Property and equipment, net of accumulated depreciation of $16,304 and $14,491	15,042	12,035
Goodwill	3,911	3,957
Intangible assets, net of accumulated amortization of $698 and $529	9,087	9,345
Software development costs, net of accumulated amortization of $4,710 and $4,226	2,317	2,637
Deferred tax asset	1,739	2,615
Investment in sales-type leases, non-current portion	11,423	10,002
Other assets	1,213	1,070
Total assets	111,883	106,609
Current liabilities:
Accounts payable	9,674	5,795
Accrued expenses	7,378	7,513
Deferred service contract revenue, current portion	3,779	3,205
Total current liabilities	20,831	16,513
Deferred service contract revenue, non-current portion	49	71
Other long term liabilities	122	1,374
Total liabilities	21,002	17,958
Commitments and Contingencies
Stockholders' equity:
Common stock, $0.01 par value; authorized: 50,000 shares; issued and outstanding: 17,889 shares and 17,791 shares	179	178
Preferred stock, $0.01 par value; authorized 1,000 shares: Callable Series C shares issued and outstanding: none	0	0
Additional paid-in capital	91,698	89,703
Other comprehensive income	195	140
Accumulated deficit	(1,191)	(1,370)
Total stockholders' equity	90,881	88,651
Total liabilities and stockholders' equity	$ 111,883	$ 106,609