Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (608)	$ (279)
Adjustments to reconcile net loss to net cash provided by operating activities:
Impairment of assets	169	0
Depreciation and amortization	956	1,365
Non-cash credits and charges:
Pension accrual	(240)	(17)
Provision for doubtful accounts	19	2
Loss on disposition of assets, net	0	118
Changes in assets and liabilities:
Receivables	(7,235)	1,409
Real estate inventory and investment assets	(78)	(126)
Intangible and other assets	345	408
Accounts payable and accrued expenses	(498)	(48)
Taxes payable	(72)	(496)
Deferred income taxes and other long-term liabilities	(351)	293
Total adjustments	(6,985)	2,908
Net cash provided by (used in) operating activities	(7,593)	2,629
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures - property, plant and equipment	(30)	(528)
Proceeds from the disposition of assets	0	96
Net cash used in investing activities	(30)	(432)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt financing	2,439	3,370
Principal debt payments	(657)	(4,035)
Net cash provided by (used in) financing activities	1,782	(665)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(5,841)	1,532
CASH AND CASH EQUIVALENTS, beginning of period	27,847	25,756
CASH AND CASH EQUIVALENTS, end of period	22,006	27,288
SUPPLEMENTAL CASH FLOW INFORMATION
Interest paid - net of amounts capitalized	456	373
Income taxes paid - net of refunds	$ 72	$ 54