Consolidated Statements of Cash Flows - USD ($) $ in Thousands		6 Months Ended
		Oct. 31, 2018	Oct. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income		$ 116	$ 1,726
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation	[1]	573	635
Amortization of debt issuance costs		11	0
Non-cash credits and charges:
Non-cash gain on settlement		0	(1,318)
Non-cash deferred revenue recognized		0	(40)
Provision for (recovery of) doubtful accounts		37	(14)
Stock-based compensation		81	45
Net periodic pension cost		371	500
Changes in assets and liabilities:
Receivables		322	15
Real estate inventory and investment assets		(93)	161
Other assets		(6)	153
Accounts payable and accrued expenses		270	236
Taxes receivable (payable)		253	(6)
Other liabilities and deferred revenue		(50)	(262)
Deferred income taxes		(102)	856
Accrued pension costs		(2,000)	(640)
Total adjustments		(333)	321
Net cash (used in) provided by operating activities		(217)	2,047
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from corporate-owned life insurance policy		85	0
Capital expenditures - property, plant and equipment	[1]	(34)	(29)
Net cash provided by (used in) investing activities		51	(29)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt financing		1,335	0
Principal debt payments		(1,171)	0
Payments for debt issuance costs		(46)	0
Net cash provided by financing activities		118	0
(Decrease) increase in cash and cash equivalents		(48)	2,018
Cash and cash equivalents, beginning of period		14,041	11,811
Cash and cash equivalents, end of period		13,993	13,829
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid, net of amounts capitalized		1	26
Income taxes (refunded) paid, net		$ (249)	$ 6

[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.