Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (635)	$ (332)
Adjustments to reconcile net loss to net cash used in operating activities:
Impairment of assets	0	169
Depreciation and amortization	1,837	1,868
Non-cash credits and charges:
Pension accrual	460	942
Recoveries of doubtful accounts	(143)	(153)
Loss on disposal of assets, net	4	21
Changes in assets and liabilities:
Receivables	6,245	(12,209)
Real estate inventory and investment assets	1,161	(105)
Intangible and other assets	539	19
Accounts payable and accrued expenses	(3,732)	(1,744)
Taxes receivable and payable, net	126	(587)
Deferred income taxes and other liabilities, net	(348)	(452)
Accrued pension costs	(3,293)	(4,322)
Total adjustments	2,856	(16,553)
Net cash provided by (used in) operating activities	2,221	(16,885)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures - property, plant and equipment	(204)	(292)
Net cash used in investing activities	(204)	(292)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock, net	7,144	0
Borrowings from credit facilities	12,101	8,836
Repayments of credit facilities	(7,272)	(4,429)
Net cash provided by financing activities	11,973	4,407
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	13,990	(12,770)
CASH AND CASH EQUIVALENTS, beginning of period	13,714	27,847
CASH AND CASH EQUIVALENTS, end of period	27,704	15,077
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	913	599
Income taxes paid (refunded), net	$ (94)	$ 929