CONSOLIDATED CONDENSED BALANCE SHEETS - USD ($)	Oct. 31, 2018	Apr. 30, 2018
Current assets:
Cash	$ 147,000	$ 575,000
Trade receivables, net	2,158,000	2,193,000
Inventories	3,289,000	2,362,000
Prepaid expenses	245,000	238,000
Contract assets	365,000
Property held for sale	694,000	694,000
Total Current Assets	6,898,000	6,062,000
Buildings and improvements	1,114,000	616,000
Equipment	4,008,000	3,951,000
Property, Plant and Equipment, Gross, Total	5,122,000	4,567,000
Less accumulated depreciation	3,878,000	3,235,000
Property, plant and equipment, net	1,244,000	1,332,000
Deferred income taxes	68,000	68,000
Other assets	153,000	209,000
Total Assets	8,363,000	7,671,000
Current liabilities:
Current maturities of long-term debt	925,000	1,706,000
Trade accounts payable	1,594,000	1,045,000
Accrued liabilities	1,077,000	817,000
Contract liabilities	27,000	219,000
Liabilities, Current	3,623,000	3,787,000
Long-term debt, less current maturities	841,000	130,000
Stockholders' equity:
Common stock; par value $0.01; 6,000,000 shares authorized; 5,995,750 shares issued and outstanding	60,000	60,000
Capital in excess of par value	12,491,000	12,437,000
Accumulated deficit	(8,652,000)	(8,743,000)
Stockholders' Equity	3,899,000	3,754,000
Total Liabilities and Stockholders' Equity	$ 8,363,000	$ 7,671,000