CONSOLIDATED BALANCE SHEETS - USD ($)	Jul. 31, 2019	Apr. 30, 2019
Current assets:
Cash	$ 353,000	$ 58,000
Trade receivables, net	2,468,000	2,590,000
Contract assets	1,173,000	1,104,000
Inventories	3,256,000	3,054,000
Prepaid expenses	385,000	152,000
Total Current Assets	7,635,000	6,958,000
Land	265,000	265,000
Buildings and improvements	1,578,000	1,569,000
Equipment	4,152,000	4,045,000
Property, Plant and Equipment, Gross, Total	5,995,000	5,879,000
Less accumulated depreciation	4,148,000	4,056,000
Property, plant and equipment, net	1,847,000	1,823,000
Operating Right-of-use assets, net	2,214,000
Deferred income taxes	34,000	34,000
Other assets	152,000	186,000
Total Assets	11,882,000	9,001,000
Current liabilities:
Current maturities of long-term debt	666,000	1,121,000
Current maturities of operating lease liabilities	378,000
Current maturities of finance lease liabilities	73,000
Trade accounts payable	1,671,000	1,625,000
Accrued liabilities	1,129,000	824,000
Customer deposits	26,000	24,000
Total current liabilities	3,943,000	3,594,000
Long-term debt, less current maturities	811,000	801,000
Operating lease liabilities, less current maturities	2,042,000
Finance lease liabilities, less current maturities	9,000
Total long-term debt	2,862,000	801,000
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	12,572,000	12,545,000
Accumulated deficit	(7,555,000)	(7,999,000)
Stockholders' Equity	5,077,000	4,606,000
Total Liabilities and Stockholders' Equity	$ 11,882,000	$ 9,001,000