Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 31, 2013	Jul. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (687)	$ (608)
Adjustments to reconcile net loss to net cash used in operating activities:
Impairment of assets	0	169
Depreciation and amortization	922	956
Non-cash credits and charges:
Pension accrual	330	470
Provision for doubtful accounts	24	19
Changes in assets and liabilities:
Receivables	(4,412)	(7,235)
Real estate inventory and investment assets	173	(78)
Intangible and other assets	604	345
Accounts payable and accrued expenses	(3,243)	(498)
Taxes receivable and payable	97	(72)
Deferred income taxes and other liabilities	(402)	(351)
Accrued pension costs	(250)	(710)
Total adjustments	(6,157)	(6,985)
Net cash used in operating activities	(6,844)	(7,593)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures - property, plant and equipment	(54)	(30)
Net cash used in investing activities	(54)	(30)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock, net	7,146	0
Proceeds from debt financing	7,959	2,439
Principal debt payments	(54)	(657)
Net cash provided by financing activities	15,051	1,782
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	8,153	(5,841)
CASH AND CASH EQUIVALENTS, beginning of period	13,714	27,847
CASH AND CASH EQUIVALENTS, end of period	21,867	22,006
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	452	456
Income taxes paid (refunded), net	$ (97)	$ 72