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Condensed Balance Sheets (Unaudited) - USD ($)
Mar. 31, 2021
Jun. 30, 2020
Current Assets    
Cash $ 12,500,688 $ 10,479,150
Accounts receivable (net of allowances for doubtful accounts of $45,000) 16,236,661 12,940,677
Contract assets 557,531 902,619
Inventories, net 2,256,012 3,084,620
Prepaid expenses and other current assets 483,399 353,318
Income tax receivable 253,891 262,155
Total current assets 32,288,182 28,022,539
Property and equipment, net 3,526,935 3,788,469
Finite-life intangible assets, net 602,430 598,389
Other assets 100,016 80,166
Deferred income taxes 653,000 755,000
Total assets 37,170,563 33,244,563
Current Liabilities    
Current maturities of other long-term liabilities 40,681 72,328
Accounts payable 1,023,603 555,510
Accrued compensation 2,273,415 1,404,497
Warranty reserve 740,000 740,000
Other accrued liabilities 160,551 214,045
Total current liabilities 4,238,250 2,986,380
Other long-term liabilities 59,702 8,868
Total liabilities 4,297,952 2,995,248
Shareholders' Equity    
Common stock, $0.01 par value per share, 13,000,000 shares authorized; 8,637,420 and 8,567,834 shares issued and outstanding, respectively 86,374 85,678
Additional paid-in capital 17,140,274 16,480,134
Retained earnings 15,645,963 13,683,503
Total shareholders' equity 32,872,611 30,249,315
Total liabilities and shareholders' equity $ 37,170,563 $ 33,244,563