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Selected Quarterly Financial Information (Unaudited) (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 26, 2015 | Sep. 26, 2015 | Jun. 27, 2015 | Mar. 28, 2015 | Jun. 28, 2014 | Mar. 29, 2014 | Dec. 28, 2013 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Sep. 26, 2015 | Dec. 26, 2015 | Dec. 27, 2014 | Dec. 28, 2013
Effect of Fourth Quarter Events [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ 4,612,000 |  |  |  |  | $ 10,857,000 |  | $ 8,585,000 |  | $ 10,637,000 |  | $ 9,532,000 |  | $ 6,943,000 |  | $ 4,695,000 |  | $ 8,001,000 |  | $ 32,054,419 | $ 31,807,465 | $ 22,897,709
Gross profit | [1] | (170,000) |  |  |  |  | 3,127,000 |  | 1,845,000 |  | 2,701,000 |  | 3,861,000 |  | 753,000 |  | 2,000 |  | 1,762,000 |  |  |  |
(Loss) income from continuing operations |  | (7,958,000) |  |  |  |  | (5,495,000) |  | (5,945,000) |  | (6,073,000) |  | (5,520,000) |  | (7,269,000) |  | (9,614,000) |  | (5,923,000) |  | (14,843,067) | (28,670,789) | (25,753,548)
Net income (loss) attributable to the controlling interest |  | $ (6,961,000) |  |  |  |  | $ 781,000 |  | $ (3,838,000) |  | $ (5,302,000) |  | $ (4,469,000) |  | $ (8,806,000) |  | $ (9,134,000) |  | $ (4,675,000) |  | $ (14,693,416) | $ (28,212,044) | $ (4,709,616)
Net (loss) income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) |  | $ (0.11) | [2] |  |  |  | $ 0.01 | [2] | $ (0.06) | [2] | $ (0.08) | [2] | $ (0.08) | [2] | $ (0.14) | [2] | $ (0.15) | [2] | $ (0.07) | [2] | $ (0.23) | $ (0.45) | $ (0.08)
Diluted (in dollars per share) |  | $ (0.11) | [2] |  |  |  | $ 0.01 | [2] | $ (0.06) | [2] | $ (0.08) | [2] | $ (0.08) | [2] | $ (0.14) | [2] | $ (0.15) | [2] | $ (0.07) | [2] | $ (0.23) | $ (0.45) | $ (0.08)
Shares used in computing net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in shares) |  | 63,608,000 |  | 63,068,000 | 63,066,000 | 63,084,000 |  |  |  |  | 62,734,000 |  | 62,647,000 |  | 62,644,000 |  | 62,530,000 |  |  |  | 63,465,797 | 62,638,675 | 62,347,852
Diluted (in shares) |  | 63,608,000 |  | 63,068,000 | 65,030,000 | 63,084,000 |  |  |  |  | 62,734,000 |  | 62,647,000 |  | 62,644,000 |  | 62,530,000 |  |  |  | 63,465,797 | 62,638,675 | 62,347,852
Gain on sales of investments |  |  |  |  | $ 5,500,000 | $ 2,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,206,919 | $ 0 | $ 1,899,291
Scenario, Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares used in computing net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Asset Impairment Charges |  |  |  |  |  |  |  |  |  |  | $ 1,300,000 |  |  |  |  |  |  |  |  |  |  |  |
[1] | Gross profit is defined as net component revenue less cost of component revenues.
[2] | 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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