Consolidated Statements of Cash Flows from Continuing Operations - USD ($) $ in Thousands		9 Months Ended
		Jan. 31, 2016	Jan. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Loss from continuing operations		$ (2,424)	$ (1,037)
Adjustments to reconcile loss from continuing operations to net cash provided by (used in) operating activities:
Depreciation and amortization	[1]	2,168	2,434
Impairment of assets		0	925	[1]
Non-cash credits and charges:
Allowance for doubtful accounts		57	19
Stock-based compensation		52	95
Loss on disposal of fixed assets		5	0
Pension settlement accounting		0	431
Changes in assets and liabilities, net of effects of discontinued operations:
Receivables		(445)	2,917
Real estate inventory and investment assets		2,536	2,675
Intangible and other assets		958	567
Accounts payable and accrued expenses		(1,576)	(1,545)
Taxes receivable and payable		(2,373)	9
Deferred income taxes and other liabilities		(967)	2,823
Accrued pension costs		763	360
Total adjustments		1,178	11,710
Net cash provided by (used in) operating activities		(1,246)	10,673
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures - property, plant and equipment	[1]	(655)	(731)
Proceeds from line of credit receivable		2,000	0
Proceeds from note receivable		1,600	0
Net cash provided by (used in) investing activities		2,945	(731)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt financing		0	949
Principal debt payments		(1,286)	(1,941)
Net transfers from (advances to) discontinued operations		1,394	(1,544)
Net cash provided by (used in) financing activities		108	(2,536)
Increase in cash and cash equivalents		1,807	7,406
Cash and cash equivalents, beginning of period		12,050	7,571
Cash and cash equivalents, end of period		13,857	14,977
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid		1,061	1,259
Income taxes paid, net		1,862	7
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.