Consolidated Balance Sheets (unaudited) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 24,102,000	$ 11,554,000
Accounts receivable, net of reserves of $200,000 and $185,000 in 2013 and 2012, respectively	14,460,000	13,780,000
Inventories	14,260,000	13,737,000
Prepaid expenses and other	2,806,000	2,670,000
Current portion of deferred tax assets	6,800,000	6,800,000
Total current assets	62,428,000	48,541,000
Property, plant and equipment, net	16,173,000	14,756,000
Goodwill	10,431,000	10,387,000
Intangible assets, net	12,089,000	12,325,000
Deferred tax assets, net of current portion and liabilities	1,049,000	1,993,000
Total assets	102,170,000	88,002,000
Current liabilities:
Accounts payable	3,975,000	3,842,000
Accrued compensation	4,283,000	4,123,000
Accrued expenses	2,720,000	1,927,000
Accrued royalties	237,000	288,000
Current portion of deferred revenue and contingent consideration	520,000	345,000
Total current liabilities	11,735,000	10,525,000
Long-term deferred revenue and contingent consideration, net of current portion	457,000	610,000
Shareholders' equity:
Common stock, $0.01 par value: Authorized shares - 40,000,000 Issued and outstanding shares - 16,832,783 - 2013;16,378,923 - 2012	168,000	164,000
Additional paid-in capital	89,601,000	84,160,000
Accumulated other comprehensive earnings	(89,000)	(150,000)
Retained earnings (accumulated deficit)	298,000	(7,307,000)
Total shareholders' equity	89,978,000	76,867,000
Total liabilities and shareholders' equity	$ 102,170,000	$ 88,002,000