Consolidated Statements of Operations and Retained Earnings - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2018	Oct. 31, 2017
REVENUES:
Fulfillment services		$ 6,941	$ 7,673	$ 14,386	$ 14,916
Real estate land sales		2,367	1,416	6,548	4,093
Other		300	86	389	1,492
Revenues	[1]	9,608	9,175	21,323	20,501
COSTS AND EXPENSES:
Real estate land sales		2,162	1,139	5,893	2,362
Operating and selling expenses:
Fulfillment services		5,974	5,983	12,312	12,077
Real estate		245	582	521	1,093
General and administrative expenses:
Fulfillment services		334	308	680	657
Real estate operations		116	86	304	200
Corporate operations		762	696	1,584	1,504
Interest expense		7	18	12	31
Costs and Expenses		9,600	8,812	21,306	17,924
Income before income taxes		8	363	17	2,577
(Benefit) provision for income taxes	[1]	(47)	85	(99)	851
Net income		55	278	116	1,726
Retained earnings, beginning of period (Revised)		47,586	48,735	47,525	47,287
Retained earnings, end of period (2017 Revised)		$ 47,641	$ 49,013	$ 47,641	$ 49,013
Earnings per share – basic and diluted		$ 0.00	$ 0.03	$ 0.01	$ 0.21
Weighted average number of common shares outstanding - basic		8,095	8,070	8,090	8,067
Weighted average number of common shares outstanding - diluted		8,146	8,102	8,135	8,096

[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.