Consolidated Statements of Cash Flows from Operations - USD ($) $ in Thousands		9 Months Ended
		Jan. 31, 2017		Jan. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss) from operations		$ 916		$ (2,424)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	[1]	1,058		2,168
Impairment of real estate assets		150	[1]	0
Non-cash credits and charges:
Allowance for (recovery of) doubtful accounts		(5)		57
Stock-based compensation		99		52
Loss on disposal of fixed assets		0		5
Changes in assets and liabilities:
Receivables		86		(445)
Real estate inventory and investment assets		4,958		2,536
Other assets		701		958
Accounts payable and accrued expenses		(1,490)		(1,576)
Taxes receivable and payable		(124)		(2,373)
Deferred income taxes and other liabilities		314		(967)
Accrued pension costs		944		763
Total adjustments		6,691		1,178
Net cash provided by (used in) operating activities		7,607		(1,246)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures - property, plant and equipment	[1]	(63)		(655)
Proceeds from line of credit receivable		0		2,000
Proceeds from note receivable		0		1,600
Net cash provided by (used in) investing activities		(63)		2,945
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt financing		340		320
Principal debt payments		(895)		(94)
Principal debt payments - related party		(10,798)		(1,512)
Net transfers from discontinued operations		0		1,394
Net cash provided by (used in) financing activities		(11,353)		108
Increase (decrease) in cash and cash equivalents		(3,809)		1,807
Cash and cash equivalents, beginning of period		14,562		12,050
Cash and cash equivalents, end of period		10,753		13,857
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid, net of amounts capitalized		314		1,061
Income taxes paid, net		$ 4		$ 1,862

[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.