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BASIS OF PRESENTATION - Effects of Restatement on Consolidated Statements of Operations and Cash Flows (Details) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 29, 2012 | Sep. 24, 2011 | Sep. 29, 2012 | Sep. 24, 2011
Revenues: |  |  |  |
Net product revenues | $ 21,013,668 | $ 28,512,486 | $ 67,449,979 | $ 91,031,145
Research and development revenues | 926,690 | 1,053,964 | 2,585,900 | 4,900,754
Total revenues | 21,940,358 | 29,566,450 | 70,035,879 | 95,931,899
Expenses: |  |  |  |
Cost of product revenues | 15,834,791 | 19,753,495 | 49,714,995 | 60,813,990
Research and development | 6,399,053 | 6,381,089 | 16,519,193 | 19,905,398
Selling, general and administration | 5,466,289 | 4,351,794 | 15,591,101 | 13,494,589
Total expenses | 27,700,133 | 30,486,378 | 83,530,059 | 94,213,977
(Loss) income from operations | (5,759,775) | (919,928) | (13,494,180) | 1,717,922
Other income and expense: |  |  |  |
Interest income | 300,690 | 357,581 | 829,028 | 986,888
Other income net | 148,845 | 190,453 | 290,114 | 190,212
Foreign currency gains | (525,674) | 1,012,555 | (656,334) | 374,519
Gain on sale of investments | 0 | 0 | 856,170 | 368,641
Impairment of marketable debt securities | 0 | 150,644 | 0 | 150,644
Gain on sale of patents | 0 | 0 | 0 | 155,658
Total other income and expense | (633,733) | 1,409,945 | 761,384 | 1,925,274
Income (loss) before provision for income taxes, equity losses in unconsolidated affiliates and net income (loss) of noncontrolling interest | (6,393,508) | 490,017 | (12,732,796) | 3,643,196
Tax provision | (470,500) | (97,500) | (1,335,500) | (293,000)
Income (loss) before equity losses in unconsolidated affiliates and net income (loss) of noncontrolling interest | (6,864,008) | 392,517 | (14,068,296) | 3,350,196
Equity losses in unconsolidated affiliates | (202,278) | (49,596) | (592,480) | (203,834)
Net income (loss) | (7,066,286) | 342,921 | (14,660,776) | 3,146,362
Net (income) loss attributable to the noncontrolling interest | 344,274 | (185,461) | 160,300 | (118,861)
Net income (loss) attributable to the controlling interest | (6,722,012) | 157,460 | (14,500,476) | 3,027,501
Net income per share: |  |  |  |
Basic | $ (0.11) | $ 0.00 | $ (0.23) | $ 0.05
Diluted | $ (0.11) | $ 0.00 | $ (0.23) | $ 0.05
Weighted average number of common shares: |  |  |  |
Basic | 63,415,345 | 64,292,212 | 63,572,753 | 64,519,225
Diluted | 63,415,345 | 65,441,378 | 63,572,753 | 65,623,807
Increase (decrease) in inventories |  |  | (297,273) | (2,862,935)
Comprehensive (loss) income attributable to controlling interest | (5,521,878) | (4,120,437) | (12,265,899) | (1,131,807)
As previously reported |  |  |  |
Revenues: |  |  |  |
Net product revenues |  | 28,512,000 |  | 91,031,000
Research and development revenues |  | 1,054,000 |  | 4,901,000
Total revenues |  | 29,566,000 |  | 95,932,000
Expenses: |  |  |  |
Cost of product revenues |  | 19,046,000 |  | 60,107,000
Research and development |  | 6,381,000 |  | 19,905,000
Selling, general and administration |  | 4,352,000 |  | 13,495,000
Total expenses |  | 29,779,000 |  | 93,507,000
(Loss) income from operations |  | (213,000) |  | 2,425,000
Other income and expense: |  |  |  |
Interest income |  | 358,000 |  | 987,000
Other income net |  | 190,000 |  | 190,000
Foreign currency gains |  | 1,013,000 |  | 375,000
Gain on sale of investments |  | 0 |  | 369,000
Impairment of marketable debt securities |  | 151,000 |  | 151,000
Gain on sale of patents |  | 0 |  | 156,000
Total other income and expense |  | 1,410,000 |  | 1,926,000
Income (loss) before provision for income taxes, equity losses in unconsolidated affiliates and net income (loss) of noncontrolling interest |  | 1,197,000 |  | 4,351,000
Tax provision |  | (98,000) |  | (293,000)
Income (loss) before equity losses in unconsolidated affiliates and net income (loss) of noncontrolling interest |  | 1,099,000 |  | 4,058,000
Equity losses in unconsolidated affiliates |  | (50,000) |  | (204,000)
Net income (loss) |  | 1,049,000 |  | 3,854,000
Net (income) loss attributable to the noncontrolling interest |  | (254,000) |  | (188,000)
Net income (loss) attributable to the controlling interest |  | 795,000 |  | 3,666,000
Net income per share: |  |  |  |
Basic |  | $ 0.01 |  | $ 0.06
Diluted |  | $ 0.01 |  | $ 0.06
Weighted average number of common shares: |  |  |  |
Basic |  | 64,292,000 |  | 64,519,000
Diluted |  | 65,441,000 |  | 65,624,000
Adjustment |  |  |  |
Revenues: |  |  |  |
Net product revenues |  | 0 |  | 0
Research and development revenues |  | 0 |  | 0
Total revenues |  | 0 |  | 0
Expenses: |  |  |  |
Cost of product revenues |  | 707,000 |  | 707,000
Research and development |  | 0 |  | 0
Selling, general and administration |  | 0 |  | 0
Total expenses |  | 707,000 |  | 707,000
(Loss) income from operations |  | (707,000) |  | (707,000)
Other income and expense: |  |  |  |
Interest income |  | 0 |  | 0
Other income net |  | 0 |  | 0
Foreign currency gains |  | 0 |  | 0
Gain on sale of investments |  | 0 |  | 0
Impairment of marketable debt securities |  | 0 |  | 0
Gain on sale of patents |  | 0 |  | 0
Total other income and expense |  | 0 |  | 0
Income (loss) before provision for income taxes, equity losses in unconsolidated affiliates and net income (loss) of noncontrolling interest |  | (707,000) |  | (707,000)
Tax provision |  | 0 |  | 0
Income (loss) before equity losses in unconsolidated affiliates and net income (loss) of noncontrolling interest |  | (707,000) |  | (707,000)
Equity losses in unconsolidated affiliates |  | 0 |  | 0
Net income (loss) |  | (707,000) |  | (707,000)
Net (income) loss attributable to the noncontrolling interest |  | 69,000 |  | 69,000
Net income (loss) attributable to the controlling interest |  | (638,000) |  | (638,000)
Net income per share: |  |  |  |
Basic |  | $ (0.01) |  | $ (0.01)
Diluted |  | $ (0.01) |  | $ (0.01)
Weighted average number of common shares: |  |  |  |
Increase (decrease) in inventories |  |  |  | 700,000
Comprehensive (loss) income attributable to controlling interest |  | $ (700,000) |  | $ (700,000)

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