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Selected Quarterly Financial Information (Unaudited) (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 27, 2014 | Sep. 27, 2014 | Jun. 28, 2014 | Mar. 29, 2014 | Dec. 28, 2013 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 27, 2014 | Dec. 28, 2013 | Dec. 29, 2012
Effect of Fourth Quarter Events [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 10,637,000 us-gaap_Revenues |  | $ 9,532,000 us-gaap_Revenues |  | $ 6,943,000 us-gaap_Revenues |  | $ 4,695,000 us-gaap_Revenues |  | $ 5,550,000 us-gaap_Revenues |  | $ 4,950,000 us-gaap_Revenues |  | $ 6,079,000 us-gaap_Revenues |  | $ 6,319,000 us-gaap_Revenues |  | $ 31,807,465 us-gaap_Revenues | $ 22,897,709 us-gaap_Revenues | $ 34,641,860 us-gaap_Revenues
Gross profit | 2,701,000 us-gaap_GrossProfit | [1] | 3,861,000 us-gaap_GrossProfit | [1] | 753,000 us-gaap_GrossProfit | [1] | 2,000 us-gaap_GrossProfit | [1] | 645,000 us-gaap_GrossProfit | [1],[2] | 267,000 us-gaap_GrossProfit | [1] | (595,000)us-gaap_GrossProfit | [1] | (396,000)us-gaap_GrossProfit | [1] |  |  |
(Loss) income from continuing operations | (6,073,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest |  | (5,520,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest |  | (7,269,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest |  | (9,614,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest |  | (9,844,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest |  | (9,015,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest |  | (8,062,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest |  | 1,168,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest |  | (28,670,789)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | (25,753,548)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | (21,783,320)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
Net income (loss) attributable to the controlling interest | (5,302,000)us-gaap_NetIncomeLoss |  | (4,469,000)us-gaap_NetIncomeLoss |  | (8,806,000)us-gaap_NetIncomeLoss |  | (9,134,000)us-gaap_NetIncomeLoss |  | (9,660,000)us-gaap_NetIncomeLoss | [2] | (8,771,000)us-gaap_NetIncomeLoss |  | (7,910,000)us-gaap_NetIncomeLoss |  | 21,634,000 us-gaap_NetIncomeLoss |  | (28,212,044)us-gaap_NetIncomeLoss | (4,709,616)us-gaap_NetIncomeLoss | (18,361,930)us-gaap_NetIncomeLoss
Net (loss) income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) | $ (0.08)us-gaap_EarningsPerShareBasic | [3] | $ (0.08)us-gaap_EarningsPerShareBasic | [3] | $ (0.14)us-gaap_EarningsPerShareBasic | [3] | $ (0.15)us-gaap_EarningsPerShareBasic | [3] | $ (0.16)us-gaap_EarningsPerShareBasic | [3] | $ (0.14)us-gaap_EarningsPerShareBasic | [3] | $ (0.13)us-gaap_EarningsPerShareBasic | [3] | $ 0.34 us-gaap_EarningsPerShareBasic | [3] | $ (0.45)us-gaap_EarningsPerShareBasic | $ (0.08)us-gaap_EarningsPerShareBasic | $ (0.29)us-gaap_EarningsPerShareBasic
Diluted (in dollars per share) | $ (0.08)us-gaap_EarningsPerShareDiluted | [3] | $ (0.08)us-gaap_EarningsPerShareDiluted | [3] | $ (0.14)us-gaap_EarningsPerShareDiluted | [3] | $ (0.15)us-gaap_EarningsPerShareDiluted | [3] | $ (0.16)us-gaap_EarningsPerShareDiluted | [3] | $ (0.14)us-gaap_EarningsPerShareDiluted | [3] | $ (0.13)us-gaap_EarningsPerShareDiluted | [3] | $ 0.34 us-gaap_EarningsPerShareDiluted | [3] | $ (0.45)us-gaap_EarningsPerShareDiluted | $ (0.08)us-gaap_EarningsPerShareDiluted | $ (0.29)us-gaap_EarningsPerShareDiluted
Shares used in computing net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in shares) | 62,734,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 62,647,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 62,644,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 62,530,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 61,529,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 63,542,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 62,492,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 63,936,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 62,638,675 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 62,347,852 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 63,617,680 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted (in shares) | 62,734,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 62,647,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 62,644,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 62,530,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 61,529,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 63,542,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 62,492,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 63,936,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 62,638,675 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 62,347,852 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 63,617,680 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Scenario, Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of Fourth Quarter Events [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Asset Impairment Charges |  |  |  |  |  |  |  |  | $ 1,300,000 us-gaap_OtherAssetImpairmentCharges / us-gaap_StatementScenarioAxis = us-gaap_ScenarioAdjustmentMember |  |  |  |  |  |  |  |  | $ 4,000,000 us-gaap_OtherAssetImpairmentCharges / us-gaap_StatementScenarioAxis = us-gaap_ScenarioAdjustmentMember |
[1] | Gross profit is defined as net component revenue less cost of component revenues.
[2] | .
[3] | Net loss per share is computed independently for each of the quarters presented; accordingly, the sum of the quarterly net income per share may not equal the total computed for the year.

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