Consolidated Statements of Cash Flows from Operations - USD ($) $ in Thousands		6 Months Ended
		Oct. 31, 2016	Oct. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss) from operations		$ 742	$ (1,855)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	[1]	717	1,453
Non-cash credits and charges:
Allowance for doubtful accounts		15	(24)
Stock-based compensation		35	37
Loss on disposal of fixed assets		0	5
Changes in assets and liabilities:
Receivables		306	(246)
Real estate inventory and investment assets		4,529	571
Other assets		355	908
Accounts payable and accrued expenses		(875)	(239)
Taxes receivable and payable		(21)	(2,444)
Deferred income taxes and other liabilities		244	(569)
Accrued pension costs		630	509
Total adjustments		5,935	(39)
Net cash provided by (used in) operating activities		6,677	(1,894)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures - property, plant and equipment	[1]	(49)	(271)
Proceeds from line of credit receivable		0	2,000
Net cash provided by (used in) investing activities		(49)	1,729
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt financing		340	0
Principal debt payments		(9,624)	(882)
Net transfers from discontinued operations		0	1,394
Net cash provided by (used in) financing activities		(9,284)	512
Increase (decrease) in cash and cash equivalents		(2,656)	347
Cash and cash equivalents, beginning of period		14,562	12,050
Cash and cash equivalents, end of period		11,906	12,397
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid, net of amounts capitalized		292	688
Income taxes paid, net		$ 3	$ 1,860

[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.