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Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.

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Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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Note 22 - Commitments and Contingencies (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 22 - Commitments and Contingencies (Details) [Line Items]
Deposits Assets, Current	$ 497,000us-gaap_DepositsAssetsCurrent	$ 400,000us-gaap_DepositsAssetsCurrent
Product Warranty Accrual	1,537,000us-gaap_ProductWarrantyAccrual	1,537,000us-gaap_ProductWarrantyAccrual	1,537,000us-gaap_ProductWarrantyAccrual
Operating Leases, Rent Expense	453,000us-gaap_LeaseAndRentalExpense	463,000us-gaap_LeaseAndRentalExpense
Aerojet 1 Project [Member] \| Guarantee Obligations [Member]
Note 22 - Commitments and Contingencies (Details) [Line Items]
Long-term Debt, Excluding Current Maturities	10,911,000	11,730,000
Aerojet 1 Project [Member]
Note 22 - Commitments and Contingencies (Details) [Line Items]
Guarantees, Fair Value Disclosure	71,000	85,000
PV Solar Systems [Member]
Note 22 - Commitments and Contingencies (Details) [Line Items]
Long-term Purchase Commitment, Amount	59,354,000
Reserve [Member] \| Solar Tax Partners 1, LLC [Member]
Note 22 - Commitments and Contingencies (Details) [Line Items]
Deposits Assets, Current	160,000
Guarantee Deposit [Member] \| Solar Tax Partners 1, LLC [Member]
Note 22 - Commitments and Contingencies (Details) [Line Items]
Deposits Assets, Current	337,000
Solar Modules [Member]
Note 22 - Commitments and Contingencies (Details) [Line Items]
Warranty Term	25 years
Inverter and Balance of System Components [Member] \| Minimum [Member]
Note 22 - Commitments and Contingencies (Details) [Line Items]
Warranty Term	5 years
Inverter and Balance of System Components [Member] \| Maximum [Member]
Note 22 - Commitments and Contingencies (Details) [Line Items]
Warranty Term	10 years
Solar Energy Systems [Member]
Note 22 - Commitments and Contingencies (Details) [Line Items]
Product Warranty Accrual	0
Greystone [Member]
Note 22 - Commitments and Contingencies (Details) [Line Items]
Redeemable Noncontrolling Interest, Equity, Carrying Amount	$ 1,000,000