XML 24 R79.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Consolidated Valuation and Qualifying Accounts (Parenthetical) (Detail) (Allowance for Doubtful Accounts, USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |  |  |
Deductions from accounts receivable allowance | $ 809 | [1] | $ 660 | [1] | $ 777 | [1]
Real Goods Solar Deconsolidated |  |  |  |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |  |  |
Deductions from accounts receivable allowance |  |  | $ 500 |  |  |
[1] | The 2011 deduction amount for the allowance for doubtful accounts includes $0.5 million related to the deconsolidation of Real Goods Solar. See Note 3. Equity Method Investment and Receivable From Investee

X
- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesDeductions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration