Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 31, 2016	Apr. 30, 2016
Current assets:
Cash and cash equivalents	$ 4,105	$ 6,082
Marketable securities	10,285	11,111
Accounts receivable, net of allowance for doubtful accounts of $187 at October 31, 2016 and $189 at April 30, 2016	9,227	9,000
Costs and estimated earnings in excess of billings, net	10,710	12,377
Inventories, net	41,770	41,278
Deferred and prepaid income taxes	4,526	3,213
Prepaid expenses and other	1,185	1,250
Total current assets	81,808	84,311
Property, plant and equipment, at cost, net of accumulated depreciation and amortization	14,112	13,072
Deferred income taxes	6,928	7,702
Goodwill and other intangible assets	617	617
Cash surrender value of life insurance and cash held in trust	13,137	12,819
Other assets	1,677	1,693
Total assets	118,279	120,214
Current liabilities:
Accounts payable - trade	2,352	2,650
Accrued liabilities	4,027	6,108
Short term debt	280	0
Total current liabilities	6,659	8,758
Long term debt- noncurrent	6,000	6,000
Deferred compensation	12,224	11,773
Deferred rent and other liabilities	657	331
Total liabilities	25,540	26,862
Commitments and contingencies
Stockholders’ equity:
Preferred stock - $1.00 par value; authorized 600 shares, no shares issued
Common stock - $1.00 par value; authorized 20,000 shares, 9,164 shares issued and 8,794 outstanding at October 31, 2016; 8,753 outstanding at April 30, 2016	9,164	9,164
Additional paid-in capital	56,017	55,576
Retained earnings	26,803	28,533
	91,984	93,273
Common stock reacquired and held in treasury - at cost (370 shares at October 31, 2016 and 411 shares at April 30, 2016)	(1,696)	(1,885)
Accumulated other comprehensive income	2,451	1,964
Total stockholders’ equity	92,739	93,352
Total liabilities and stockholders’ equity	$ 118,279	$ 120,214