CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended	9 Months Ended
Sep. 24, 2011	Sep. 25, 2010	Sep. 24, 2011	Sep. 25, 2010
Revenues:
Net product revenues	$ 28,512,486	$ 31,169,701	$ 91,031,145	$ 84,175,992
Research and development revenues	1,053,964	432,430	4,900,754	3,069,281
Revenues, Total	29,566,450	31,602,131	95,931,899	87,245,273
Expenses:
Cost of product revenues	19,045,648	21,115,832	60,107,453	60,508,556
Research and development	6,381,089	4,762,893	19,905,398	13,917,668
Selling, general and administration	4,351,794	3,886,065	13,494,589	11,743,600
Costs and Expenses, Total	29,778,531	29,764,790	93,507,440	86,169,824
(Loss) income from operations	(212,081)	1,837,341	2,424,459	1,075,449
Other income and expense:
Interest income	357,581	392,052	986,888	1,248,362
Other income and (expense), net	190,453	4,008	190,212	122,286
Foreign currency gains (losses)	1,012,555	(594,550)	374,519	(228,176)
Gain on sale of investments			368,641	2,597,505
Impairment of marketable debt securities	(150,644)		(150,644)
Gain on sale of patents			155,658	159,797
Nonoperating Income (Expense), Total	1,409,945	(198,490)	1,925,274	3,899,774
Income before provision for income taxes, equity loss in unconsolidated affiliate and net (income) loss of noncontrolling interest	1,197,864	1,638,851	4,349,733	4,975,223
Tax provision	(97,500)	(180,000)	(293,000)	(273,000)
Income before equity loss in unconsolidated affiliate and net (income) loss of noncontrolling interest	1,100,364	1,458,851	4,056,733	4,702,223
Equity loss in unconsolidated affiliate	(49,596)	(187,063)	(203,834)	(369,649)
Net income	1,050,768	1,271,788	3,852,899	4,332,574
Net (income) loss attributable to the noncontrolling interest	(253,713)	88,924	(188,313)	(74,094)
Net income attributable to the controlling interest	$ 797,055	$ 1,360,712	$ 3,664,586	$ 4,258,480
Net income per share
Basic	$ 0.01	$ 0.02	$ 0.06	$ 0.06
Diluted	$ 0.01	$ 0.02	$ 0.06	$ 0.06
Weighted average number of common shares
Basic	64,292,212	66,114,557	64,519,225	66,442,712
Diluted	65,441,378	66,778,781	65,623,807	67,148,905

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