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Inventory Finance Receivables and Allowance for Loan Loss (Details Textual) (USD $) In Thousands, unless otherwise specified | 6 Months Ended | 12 Months Ended |  |  |  |
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Sep. 30, 2012 | Mar. 31, 2012 | Jun. 30, 2012 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011
Inventory Finance Receivables and Allowance for Loan Loss (Narrative) [Abstract] |  |  |  |  |  |
Allowance for loan loss | $ 139 | $ 215 | $ 196 | $ 185 | $ 173 | $ 169
Due days for loans accounted for on a non-accrual basis and accruing loans with principal payments past | 90 days or more |  |  |  |  |
Due days for loans on nonaccrual status when interest is past due and remains unpaid | 90 days or more |  |  |  |  |
Percentage of principal balance of the inventory finance receivables | excess of 10% of the principal balance of the inventory finance receivables | excess of 10% of the principal balance of the inventory finance receivables |  |  |  |
Percentage concentration of inventory finance receivables | 10.00% | 10.00% |  |  |  |

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- Definition Concentration risk on financing receivables description. + References No definition available. + Details
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- Definition Concentration risk on financing receivables percentage. + References No definition available. + Details
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- Definition Interest past due period for loan considered as nonaccrual. + References No definition available. + Details
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- Details
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- Definition Principal past due period for loan considered as non performing. + References No definition available. + Details
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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953423-111524 + Details
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