Consolidated Statements of Cash Flows from Continuing Operations (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jan. 31, 2015		Jan. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss from continuing operations	$ (532)		$ (583)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Impairment of assets	925	[1]	0
Depreciation and amortization	2,434	[1]	2,457	[1]
Non-cash credits and charges:
Allowance for doubtful accounts	14		292
Stock-based compensation	95		17
Loss on disposal of assets, net	0		29
Changes in assets and liabilities, net of effects of discontinued operations:
Receivables	2,413		(1,502)
Real estate inventory and investment assets	2,675		2,401
Intangible and other assets	789		221
Accounts payable and accrued expenses	(1,903)		96
Taxes receivable and payable	101		99
Deferred income taxes and other liabilities	4,329		(545)
Accrued pension costs	360		(2,503)
Total adjustments	12,232		1,062
Net cash provided by operating activities	11,700		479
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures - property, plant and equipment	(731)	[1]	(267)	[1]
Net cash used in investing activities	(731)		(267)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock, net	0		7,144
Proceeds from debt financing	949		732
Principal debt payments	(1,941)		(1,311)
Net advances to discontinued operations	(2,328)		(1,525)
Net cash provided by (used in) financing activities	(3,320)		5,040
Increase in cash and cash equivalents	7,649		5,252
Cash and cash equivalents, beginning of period	7,511		2,490
Cash and cash equivalents, end of period	15,160		7,742
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	1,259		1,301
Income taxes paid, net	7		26
Non-cash transactions:
Issuance of common stock in settlement	$ 4,274		$ 0

[1] Revenue information provided for each segment includes amounts grouped as Other in the accompanying consolidated statements of operations. Corporate and Other is net of intercompany eliminations.