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Note 8 - Contracts in Progress | 12 Months Ended
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Dec. 31, 2013
Contracts In Progress [Abstract] |
Contracts In Progress [Text Block] | 8. Contracts in Progress Costs and estimated earnings on contracts in progress for the year ending December 31, 2013 and 2012 are summarized in the table below (in thousands):
|  | December 31, |
|  | 2013 |  |  | 2012 |
Costs incurred on uncompleted contracts |  | $ | 7,347 |  |  | $ | 7,067 |
Estimated earnings |  |  | 1,603 |  |  |  | 1,330 |
Total revenues |  |  | 8,950 |  |  |  | 8,397 |
Less: billings to date |  |  | 9,569 |  |  |  | 8,762 |
Total |  | $ | (619 | ) |  | $ | (365 | )
Balance sheet classification: |  |  |  |  |  |  |  |
Costs in excess of billings on uncompleted contracts |  | $ | 145 |  |  | $ | 99 |
Billings in excess of costs on uncompleted contracts |  |  | (764 | ) |  |  | (464 | )
Total |  | $ | (619 | ) |  | $ | (365 | )

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- Definition Disclosure of contracts in progress. + References No definition available. + Details
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Namespace Prefix: | efoi_
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- Details
Name: | efoi_ContractsInProgressTextBlockAbstract
Namespace Prefix: | efoi_
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Period Type: | duration