CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (1,143)	$ (7,561)	$ (9,480)
Adjustments to reconcile net loss to net cash provided by operating activities:
Impairment of assets	570	10,720	2,075
Depreciation and amortization	4,979	5,899	11,554
Non-cash credits and charges:
Loss on disposition of assets	121	54	74
Provision for (recoveries of) doubtful accounts	(568)	75	(721)
Pension accrual	(36)	447	1,032
Changes in assets and liabilities:
Receivables	4,824	4,379	14,900
Real estate inventory and investment assets	(396)	86	166
Taxes receivable	0	2,126	883
Intangible and other assets	325	913	1,947
Accounts payable and accrued expenses	(1,730)	(8,359)	(12,185)
Taxes payable	392	43	0
Deferred income taxes and other long-term liabilities	(1,526)	(2,921)	(1,566)
Net cash provided by operating activities	5,812	5,901	8,679
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures - property, plant, and equipment	(1,073)	(1,012)	(2,884)
Proceeds from disposition of assets	12	5	0
Net cash used in investing activities	(1,061)	(1,007)	(2,884)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt financing	13,503	51,791	26,982
Principal debt payments	(16,163)	(56,460)	(36,264)
Net cash used in financing activities	(2,660)	(4,669)	(9,282)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	2,091	225	(3,487)
Cash and cash equivalents, beginning of year	25,756	25,531	29,018
Cash and cash equivalents, end of year	27,847	25,756	25,531
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid - net of amounts capitalized	1,468	1,787	1,647
Income taxes paid (refunded), net	237	(2,459)	(2,207)
Non-cash transactions:
Transfer to real estate inventory from receivables	0	0	1,040
Transfer to investment assets from receivables	$ 451	$ 0	$ 1,117