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Related Party Debt - Additional Information (Detail) (USD $)
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6 Months Ended | 1 Months Ended | 6 Months Ended | 6 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2013
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Jun. 30, 2013
Accrued Liabilities
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Jun. 30, 2013
Other Liabilities
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Jun. 30, 2013
Gaiam Incorporated
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Apr. 23, 2013
Gaiam Incorporated
Convertible Promissory Notes
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May 28, 2013
Gaiam Incorporated
Common Class A
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Apr. 23, 2013
Gaiam Incorporated
Common Class A
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Jun. 30, 2013
Gaiam Incorporated
Period One
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Jun. 30, 2013
Gaiam Incorporated
Period Two
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Jun. 30, 2013
Riverside Renewable Energy Investments
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Jun. 30, 2013
Riverside Renewable Energy Investments
Period Three
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Jun. 30, 2013
Riverside Renewable Energy Investments
Period Four
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| Related Party Transaction [Line Items] | ||||||||||||
| Related party debt | $ 2,600,000 | $ 4,150,000 | ||||||||||
| Debt, repayment amount | 10,020 | 1,000,000 | 1,600,000 | 3,000,000 | 150,000 | |||||||
| Debt, repayment date | Apr. 26, 2014 | Apr. 30, 2014 | Sep. 03, 2014 | Oct. 29, 2014 | ||||||||
| Promissory note payable | 1,700,000 | |||||||||||
| Promissory note amount reduced | 100,000 | |||||||||||
| Share exchange with promissory note (shares) | 62,111 | |||||||||||
| Interest rate | 10.00% | 10.00% | ||||||||||
| Related party debt | 3,150,000 | 3,150,000 | ||||||||||
| Accrued interest on related party debt | $ 479,000 | $ 111,000 | $ 368,000 | |||||||||
| Ownership of common stock related party | 13.40% | 25.90% | ||||||||||
| Sales of shares | 6,017,500 | |||||||||||