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Selected Quarterly Financial Information (Unaudited) (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2016 | Sep. 24, 2016 | Jun. 25, 2016 | Mar. 26, 2016 | Dec. 26, 2015 | Sep. 26, 2015 | Jun. 27, 2015 | Mar. 28, 2015 | Jun. 25, 2016 | Jun. 27, 2015 | Dec. 31, 2016 | Dec. 26, 2015 | Dec. 27, 2014
Effect of Fourth Quarter Events [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain/loss attributable to controlling interest, immaterial misstatement |  |  |  |  |  | $ 65 |  | $ 15 |  | $ 189 |  | $ 45 |  | $ 98 |  | $ 47 |  |  |  |  |  |
Income/loss from operations, immaterial misstatement |  |  |  |  |  | 36 |  | 11 |  | 52 |  | 0 |  | 21 |  | 12 |  |  |  |  |  |
Quantifying Misstatement in Current Year Financial Statements, Amount |  |  |  |  |  | 36 |  | 11 |  | 52 |  | 0 |  | 21 |  | 12 |  |  |  |  |  |
Gain (Loss) on Sale of Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,700,000 |  |  |  |
Gain on Sale of Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000 |  |
Revenues |  | $ 6,373,000 |  | $ 5,795,000 |  | 4,355,000 |  | 6,119,000 |  | 4,612,000 |  | 8,001,000 |  | 10,857,000 |  | 8,585,000 |  |  |  | 22,642,566 | $ 32,054,419 | $ 31,807,465
Gross Profit | [1] | 1,560,000 |  | 949,000 |  | (550,000) |  | 1,342,000 |  | (118,000) |  | 1,762,000 |  | 3,148,000 |  | 1,857,000 |  |  |  |  |  |
(Loss) income from continuing operations |  | (6,280,000) |  | (6,883,000) |  | (993,000) |  | (6,317,000) |  | (7,906,000) |  | (5,923,000) |  | (5,474,000) |  | (5,933,000) |  |  |  |  |  |
Net income (loss) attributable to the controlling interest |  | $ (5,190,000) |  | $ (8,117,000) |  | $ (3,194,000) |  | $ (6,932,000) |  | $ (6,771,000) |  | $ (4,720,000) |  | $ 683,000 |  | $ (3,885,000) |  |  |  | $ (23,434,116) | $ (14,693,416) | $ (28,212,044)
Net loss per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) |  | $ (0.08) | [2] | $ (0.13) | [2] | $ (0.05) | [2] | $ (0.11) | [2] | $ (0.11) | [2] | $ (0.07) | [2] | $ 0.01 | [2] | $ (0.06) | [2] |  |  | $ (0.37) | $ (0.23) | $ (0.45)
Diluted (in dollars per share) |  | $ (0.08) | [2] | $ (0.13) | [2] | $ (0.05) | [2] | $ (0.11) | [2] | $ (0.11) | [2] | $ (0.07) | [2] | $ 0.01 | [2] | $ (0.06) | [2] |  |  | $ (0.37) | $ (0.23) | $ (0.45)
Shares used in computing net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in shares) |  | 64,138,000 |  | 64,048,000 |  | 64,011,000 |  | 63,978,000 |  | 63,608,000 |  | 63,068,000 |  | 63,066,000 |  | 63,084,000 |  |  |  | 64,045,675 | 63,465,797 | 62,638,675
Diluted (in shares) |  | 64,138,000 |  | 64,048,000 |  | 64,011,000 |  | 63,978,000 |  | 63,608,000 |  | 63,068,000 |  | 65,030,000 |  | 63,084,000 |  |  |  | 64,045,675 | 63,465,797 | 62,638,675
Gain on sales of investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,100,000 |  |  | $ 5,500,000 | $ 1,034,396 | $ 9,206,919 | $ 0
[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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