CONSOLIDATED BALANCE SHEETS - USD ($)	Jul. 31, 2020	Apr. 30, 2020
Current assets:
Cash	$ 2,017,000	$ 2,263,000
Trade receivables, net	3,383,000	2,104,000
Contract assets	357,000	960,000
Inventories	3,921,000	3,556,000
Prepaid expenses	471,000	285,000
Total Current Assets	10,149,000	9,168,000
Land	265,000	265,000
Buildings and improvements	1,586,000	1,586,000
Equipment	4,561,000	4,520,000
Property, plant and equipment, gross	6,412,000	6,371,000
Less accumulated depreciation	4,484,000	4,388,000
Property, plant and equipment, net	1,928,000	1,983,000
Operating lease right-of-use assets	1,920,000	2,008,000
Deferred income taxes	288,000
Other assets	156,000	221,000
Total Assets	14,441,000	13,380,000
Current liabilities:
Current maturities of long-term debt	1,842,000	795,000
Current maturities of operating lease liabilities	395,000	395,000
Current maturities of finance lease liabilities	12,000	27,000
Trade accounts payable	1,143,000	1,933,000
Accrued liabilities	1,128,000	899,000
Customer deposits	68,000	16,000
Total current liabilities	4,588,000	4,065,000
Long-term debt, less current maturities	1,851,000	2,008,000
Operating lease liabilities, less current maturities	1,817,000	1,879,000
Total long-term debt	3,668,000	3,887,000
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	12,680,000	12,653,000
Accumulated deficit	(6,555,000)	(7,285,000)
Stockholders' Equity	6,185,000	5,428,000
Total Liabilities and Stockholders' Equity	$ 14,441,000	$ 13,380,000