Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities:
Net income	$ 8,466,680	$ 4,315,995	$ 3,687,567
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,002,391	3,320,352	1,293,468
Stock-based compensation expense	1,190,697	1,102,617	958,025
Deferred income taxes	1,989,708	1,953,946	1,735,947
Provision for doubtful accounts	331,528	302,723
Provision for inventory	1,427,862	699,057	350,220
Tax benefit from exercise of stock options	(274,190)	(65,434)	(27,349)
Changes in operating assets and liabilities, net of effect of acquisition:
Accounts receivable	(2,998,037)	(3,716,478)	(1,697,673)
Inventories	224,714	(1,220,359)	(1,871,545)
Prepaid expenses and other current assets	947,263	445,650	(774,764)
Long-term deposits and other	179,939	28,239	93,559
Accounts payable	(6,594,292)	5,784,731	141,083
Accrued expenses	1,042,845	(2,188,082)	1,718,307
Deferred revenue	(213,888)	(2,751,468)	(2,680,831)
Income taxes payable	450,482
Other long-term liabilities	(568)	(158,028)	168,691
Net cash provided by operating activities	10,173,134	7,853,461	3,094,705
Cash flows from investing activities:
Purchase of property and equipment, net	(1,400,348)	(2,784,977)	(3,962,232)
Payment for the acquisition of Anika S.r.l., net of cash acquired			(16,255,637)
Reduction in purchase price of acquisition		105,300
Net cash used in investing activities	(1,400,348)	(2,679,677)	(20,217,869)
Cash flows from financing activities:
Principal payments on debt	(1,600,000)	(1,600,000)	(1,600,000)
Debt Issuance Costs			(74,000)
Proceeds from exercise of stock options	160,470	197,246	3,150
Tax benefit from exercise of stock options	274,190	65,434	27,349
Net cash used in financing activities	(1,165,340)	(1,337,320)	(1,643,501)
Exchange rate impact on cash	(32,156)	(61,522)
Increase (decrease) in cash and cash equivalents	7,575,290	3,774,942	(18,766,665)
Cash and cash equivalents at beginning of period	28,201,932	24,426,990	43,193,655
Cash and cash equivalents at end of period	35,777,222	28,201,932	24,426,990
Supplemental disclosure of cash flow information:
Cash paid for income taxes	2,651,212	360,000	1,210,000
Cash paid for interest	193,880	222,919	208,053
Supplemental disclosure of cash flow information:
Fair value of assets of Anika S.r.l. and product lines			50,539,846
Cash paid for Anika S.r.l. and product lines			17,055,000
Fair value of common stock issued to acquire Anika S.r.l.			16,820,320
Liabilities assumed of acquired businesses and product lines			$ 16,664,611