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Consolidated Statements of Cash Flows from Operations - USD ($)
$ in Thousands
 3 Months Ended
Jul. 31, 2016
Jul. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income (loss) from operations $ 630 $ (1,179)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation and amortization [1] 367 746
Non-cash credits and charges:    
Allowance for doubtful accounts 18 29
Stock-based compensation 15 21
Changes in assets and liabilities:    
Receivables (151) 303
Real estate inventory and investment assets 2,557 (67)
Other assets 42 432
Accounts payable and accrued expenses (840) (1,458)
Taxes receivable and payable (3) (2,434)
Deferred income taxes and other liabilities 278 (61)
Accrued pension costs 315 254
Total adjustments 2,598 (2,235)
Net cash provided by (used in) operating activities 3,228 (3,414)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Capital expenditures - property, plant and equipment [1] (39) (82)
Net cash used in investing activities (39) (82)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from debt financing 340 0
Principal debt payments (6,796) (251)
Net transfers from discontinued operations 0 1,394
Net cash provided by (used in) financing activities (6,456) 1,143
Decrease in cash and cash equivalents (3,267) (2,353)
Cash and cash equivalents, beginning of period 14,562 12,050
Cash and cash equivalents, end of period 11,295 9,697
SUPPLEMENTAL CASH FLOW INFORMATION:    
Interest paid, net of amounts capitalized 132 324
Income taxes paid (refunded), net $ 2 $ 1,854
[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.