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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
Common Stock
Capital Contributed in Excess of Par Value
Retained Earnings
Accumulated Other Comprehensive Loss
Total
Balance at Apr. 30, 2021 $ 730,000 $ 45,072,000 $ 47,710,000 $ (4,623,000) $ 88,889,000
Balance (in shares) at Apr. 30, 2021 7,323        
Issuance of restricted common stock $ 1,000 149,000 0 0 150,000
Issuance of restricted common stock (in shares) 13        
Net income $ 0 0 1,637,000 0 1,637,000
Other comprehensive income 0 0 0 66,000 66,000
Balance at Jul. 31, 2021 $ 731,000 45,221,000 49,347,000 (4,557,000) 90,742,000
Balance (in shares) at Jul. 31, 2021 7,336        
Balance at Apr. 30, 2022 $ 524,000 32,383,000 54,828,000 (4,573,000) 83,162,000
Balance (in shares) at Apr. 30, 2022 5,240        
Issuance of restricted common stock $ 2,000 162,000 0 0 164,000
Issuance of restricted common stock (in shares) 15        
Issuance of option to purchase common stock $ 0 13,000 0 0 13,000
Net income 0 0 1,912,000 0 1,912,000
Other comprehensive income 0 0 0 66,000 66,000
Balance at Jul. 31, 2022 $ 526,000 $ 32,558,000 $ 56,740,000 $ (4,507,000) $ 85,317,000
Balance (in shares) at Jul. 31, 2022 5,255