BENEFIT PLANS: (Tables)

12 Months Ended

Apr. 30, 2015

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

Net periodic pension cost for 2015 and 2014 was comprised of the following components (in thousands):

	Year Ended April 30,
	2015		2014
Interest cost on projected benefit obligation	$	1,370	$	1,294
Expected return on assets		(2,230)		(2,075)
Plan expenses		247		234
Recognized net actuarial loss		1,257		1,662
Settlement (gain) loss		1,067		-
Total cost recognized in pretax income		1,711		1,115
Cost (gain) recognized in pretax other comprehensive income		2,674		(3,853)
Net periodic pension cost (income)	$	4,385	$	(2,738)

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table presents the effect on the third quarter and year-to-date financial data as if the additional pension expense had been reported in the proper period (in thousands, except per share amounts):

	January 31, 2015
	Three Months Ended				Nine Months Ended
	As Reported		Revised		As Reported		Revised
Income (loss) from continuing operations	$	201	$	(230)	$	(532)	$	(963)
Income (loss) from discontinued operations		33		(79)		7,284		7,172
Net income (loss)	$	234	$	(309)	$	6,752	$	6,209
Earnings (loss) per share –continuing operations - basic and diluted	$	0.03	$	(0.03)	$	(0.07)	$	(0.12)
Earnings (loss) per share – discontinued operations - basic and diluted	$	0.00	$	(0.01)	$	0.92	$	0.91
Earnings (loss) per share – basic and diluted	$	0.03	$	(0.04)	$	0.85	$	0.78

Schedule of Assumptions Used [Table Text Block]

Assumptions used in determining net periodic pension cost and the benefit obligation were:

	Year Ended April 30,
	2015
Discount rate used to determine net periodic pension cost		3.90	%	3.47	%
Discount rate used to determine pension benefit obligation		3.48	%	3.90	%
Expected long-term rate of return on assets on assets		8.00	%	8.00	%

Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]

The following table sets forth changes in the pension plan’s benefit obligation and assets, and summarizes components of amounts recognized in the Company’s consolidated balance sheet (in thousands):

	April 30,
	2015		2014
Change in benefit obligation:
Benefit obligation at beginning of year	$	36,469	$	38,582
Interest cost		1,370		1,294
Actuarial (gain) loss		5,098		(1,009)
Benefits paid		(4,634)		(2,398)
Benefit obligation at end of year	$	38,303	$	36,469
Change in plan assets:
Fair value of plan assets at beginning of year	$	29,120	$	24,777
Company contributions		475		3,718
Actual return on plan assets		2,334		3,268
Benefits paid		(4,634)		(2,398)
Plan expenses		(251)		(245)
Fair value of plan assets at end of year	$	27,044	$	29,120
Funded (underfunded) status:	$	(11,259)	$	(7,349)
Recognition of underfunded status:
Accrued pension cost	$	(11,259)	$	(7,349)

Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block]

The following table summarizes the amounts recorded in accumulated other comprehensive loss, which have not yet been recognized as a component of net periodic pension costs (in thousands):

	Year Ended April 30,
	2015		2014
Pre-tax accumulated comprehensive loss	$	17,627	$	14,953

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

The following table summarizes the changes in accumulated other comprehensive loss related to the pension plan for the years ended April 30, 2015 and 2014 (in thousands):

	Pension Benefits
	Pre-tax		Net of Tax
Accumulated comprehensive loss, May 1, 2013	$	18,806	$	11,564
Net actuarial gain		(2,191)		(1,359)
Amortization of net loss		(1,662)		(1,030)
Accumulated comprehensive loss, April 30, 2014		14,953		9,175
Net actuarial loss		4,998		3,099
Recognition of settlement loss		(1,067)		(662)
Amortization of net loss		(1,257)		(779)
Accumulated comprehensive loss, April 30, 2015	$	17,627	$	10,833

Schedule of Allocation of Plan Assets [Table Text Block]

The average asset allocation for the pension plan by asset category was as follows:

	April 30,
	2015			2014
Equity securities		69	%		65	%
Fixed income securities		29			27
Other (principally cash and cash equivalents)		2			8
Total		100	%		100	%

Schedule of Changes in Fair Value of Plan Assets [Table Text Block]

The following tables set forth by level within the fair value hierarchy the pension plan’s assets at fair value as of April 30, 2015 and 2014 (in thousands):

2015:

	Total		Level 1		Level 2		Level 3
Cash and cash equivalents	$	675	$	675	$	-	$	-
Investments at fair value:
Equity securities		18,634		18,634		-		-
Corporate bonds and debentures		7,735		-		7,735		-
Total assets at fair value	$	27,044	$	19,309	$	7,735	$	-

2014:

	Total		Level 1		Level 2		Level 3
Cash and cash equivalents	$	2,466	$	2,466	$	-	$	-
Investments at fair value:
Equity securities		18,844		18,844		-		-
Corporate bonds and debentures		7,810		-		7,810		-
Total assets at fair value	$	29,120	$	21,310	$	7,810	$	-

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

A summary of the 2014 and 2015 restricted share award activity presented below represents the maximum number of shares that could be vested:

			Weighted Average
	Number of		Grant Date
Restricted time-based share awards	Shares		Fair Value
Non-vested at April 30, 2013		-	$	-
Granted during 2014		24,000		6.96
Vested during 2014		-		-
Forfeited during 2014		-		-
Non-vested at April 30, 2014		24,000		6.96
Granted during 2015		12,000		6.90
Vested during 2015		(8,000)		6.80
Forfeited during 2015		-		-
Non-vested at April 30, 2015		28,000	$	6.98