Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (329)	$ 488
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Impairment of assets	169	0
Depreciation and amortization	2,793	3,978
Non-cash credits and charges:
Pension accrual	1,412	941
Provision for doubtful accounts	(229)	(568)
Loss on disposition of assets, net	21	67
Changes in assets and liabilities:
Receivables	(6,119)	6,613
Real estate inventory and investment assets	246	(420)
Intangible and other assets	(408)	570
Accounts payable and accrued expenses	(5,115)	(6,761)
Taxes receivable and payable	(600)	(209)
Deferred income taxes and other long-term liabilities	(633)	1
Accrued pension cost	(4,322)	(797)
Total adjustments	(12,785)	3,415
Net cash provided by (used in) operating activities	(13,114)	3,903
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures - property, plant and equipment	(745)	(761)
Acquisition of a business, net of cash acquired	(1,123)	0
Proceeds from the disposition of assets	0	12
Net cash used in investing activities	(1,868)	(749)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt financing	16,374	8,277
Principal debt payments	(11,269)	(10,306)
Net cash provided by (used in) financing activities	5,105	(2,029)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(9,877)	1,125
CASH AND CASH EQUIVALENTS, beginning of period	27,847	25,756
CASH AND CASH EQUIVALENTS, end of period	17,970	26,881
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	1,003	1,024
Income taxes paid - net of refunds	877	173
Non-cash transactions:
Reclassification to investment assets from receivables	$ 0	$ 451