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Major Classes of Assets and Liabilities (Detail) (USD $) | Mar. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Current assets: |  |
Receivables, net | $ 14,000 us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet |
Inventory | 0 us-gaap_InventoriesPropertyHeldForSaleCurrent |
Prepaid expenses and other current assets | 4,000 us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent |
Total current assets | 18,000 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent | 184,000 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
Other assets | 19,000 us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets |
Total assets | 37,000 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation |
Current liabilities: |  |
Accounts payable and accrued expenses | 2,348,000 us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent |
Total current liabilities | 2,348,000 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent | 4,858,000 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
Long-term lease obligations | 1,712,000 us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities |
Total liabilities | $ 4,060,000 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation |

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