Consolidated Statements of Cash Flows from Continuing Operations - USD ($) $ in Thousands		6 Months Ended
		Oct. 31, 2015	Oct. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss from continuing operations		$ (1,855)	$ (733)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Impairment of assets		0	925	[1]
Depreciation and amortization	[1]	1,453	1,642
Non-cash credits and charges:
Allowance for (recovery of) doubtful accounts		(24)	17
Stock-based compensation		37	66
Loss on disposal of fixed assets		5	0
Changes in assets and liabilities, net of effects of discontinued operations:
Receivables		(246)	3,003
Real estate inventory and investment assets		571	1,891
Intangible and other assets		908	1,449
Accounts payable and accrued expenses		(239)	(644)
Taxes receivable and payable		(2,444)	9
Deferred income taxes and other liabilities		(569)	(699)
Accrued pension costs		509	207
Total adjustments		(39)	7,866
Net cash provided by (used in) operating activities		(1,894)	7,133
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures - property, plant and equipment	[1]	(271)	(555)
Net cash used in investing activities		(271)	(555)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal debt payments		(882)	(782)
Proceeds from line of credit receivable		2,000	0
Net transfers from discontinued operations		1,394	728
Net cash provided by (used in) financing activities		2,512	(54)
Increase in cash and cash equivalents		347	6,524
Cash and cash equivalents, beginning of period		12,050	7,571
Cash and cash equivalents, end of period		12,397	14,095
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid		688	851
Income taxes paid (refunded), net		1,860	4
Non-cash transactions:
Issuance of common stock in settlement		$ 0	$ 4,274

[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.