XML 46 R20.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Note 1 - Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Apr. 30, 2016
Notes Tables |
Allowance for Credit Losses on Financing Receivables [Table Text Block] |
|  | (In thousands) |
|  | Fiscal 2016 |  |  | Fiscal 2015 |  |  | Fiscal 2014 |
Balance at beginning of year |  | $ | 330 |  |  | $ | 399 |  |  | $ | 454 |
Net charge to expense |  |  | 232 |  |  |  | 117 |  |  |  | 95 |
Net charge-off |  |  | (78 | ) |  |  | (186 | ) |  |  | (150 | )
Balance at end of year |  | $ | 484 |  |  | $ | 330 |  |  | $ | 399 |

X
- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration