XML 40 R27.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Note 4 - Supplementary Cash Flow Information (Tables) | 6 Months Ended
--- | ---
Oct. 31, 2016
Notes Tables |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Six Months Ended October 31, |
($ in thousands) |  | 2016 |  |  | 2015 |
State and local income tax payments |  | $ | 422 |  |  | $ | 153 |
Federal income tax payments to the Parent |  | $ | 3,218 |  |  | $ | 1,990 |

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
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