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Note G - Fair Value of Financial Instruments (Details) - USD ($)
$ in Thousands
Jan. 31, 2016
Apr. 30, 2015
Reported Value Measurement [Member]    
Cash $ 590 $ 790
Finance receivables, net 339,069 324,144
Accounts payable 14,177 11,022
Revolving credit facilities 122,490 102,221
Estimate of Fair Value Measurement [Member]    
Cash 590 790
Finance receivables, net 272,627 256,681
Accounts payable 14,177 11,022
Revolving credit facilities $ 122,490 $ 102,221