Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (646)	$ (329)
Adjustments to reconcile net loss to net cash used in operating activities:
Impairment of assets	0	169
Depreciation and amortization	2,775	2,793
Non-cash credits and charges:
Pension accrual	316	1,412
Provision (recoveries) of doubtful accounts, net	488	(229)
Loss on disposal of assets, net	29	21
Stock-based compensation	17	0
Changes in assets and liabilities:
Receivables	10,743	(6,119)
Real estate inventory and investment assets	2,401	246
Intangible and other assets	(456)	(408)
Accounts payable and accrued expenses	(11,738)	(5,115)
Taxes receivable and payable, net	99	(600)
Deferred income taxes and other liabilities, net	(593)	(633)
Accrued pension costs	(2,819)	(4,322)
Total adjustments	1,262	(12,785)
Net cash provided by (used in) operating activities	616	(13,114)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures - property, plant and equipment	(368)	(745)
Proceeds from disposition of assets	222	0
Acquisition of a business, net of cash acquired	0	(1,123)
Net cash used in investing activities	(146)	(1,868)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock, net	7,144	0
Borrowings from credit facilities	21,294	16,374
Repayments of credit facilities	(17,769)	(11,269)
Net cash provided by financing activities	10,669	5,105
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	11,139	(9,877)
CASH AND CASH EQUIVALENTS, beginning of period	13,714	27,847
CASH AND CASH EQUIVALENTS, end of period	24,853	17,970
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	1,368	1,003
Income taxes paid (refunded), net	$ (59)	$ 877