Consolidated Balance Sheets (unaudited) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 10,956,000	$ 13,726,000
Accounts receivable, net of reserves of $160,000 and $150,000 in 2012 and 2011, respectively	13,325,000	11,728,000
Inventories	14,540,000	14,788,000
Prepaid expenses	1,344,000	1,624,000
Current portion of deferred tax assets	5,500,000	5,500,000
Total current assets	45,665,000	47,366,000
Property and equipment, net	6,342,000	5,607,000
Goodwill	8,583,000	8,117,000
Intangible assets, net	11,391,000	7,948,000
Deferred tax assets, net of current portion and liabilities	5,119,000	7,445,000
Total assets	77,100,000	76,483,000
Current liabilities:
Accounts payable	3,051,000	2,843,000
Accrued compensation	3,727,000	3,430,000
Accrued expenses	1,009,000	1,406,000
Accrued royalties	283,000	560,000
Current portion of deferred revenue and contingent consideration	335,000	477,000
Total current liabilities	8,405,000	8,716,000
Long-term deferred revenue and contingent consideration, net of current portion	927,000	1,061,000
Shareholders' equity:
Common stock, $0.01 par value:Authorized shares - 40,000,000 Issued and outstanding shares - 16,242,502 - 2012;16,378,205 - 2011	162,000	164,000
Additional paid-in capital	80,914,000	83,962,000
Accumulated other comprehensive earnings	(385,000)	(204,000)
Accumulated deficit	(12,923,000)	(17,216,000)
Total shareholders' equity	67,768,000	66,706,000
Total liabilities and shareholders' equity	$ 77,100,000	$ 76,483,000