Balance Sheets (Current Period Unaudited) - USD ($)
Jun. 30, 2021
Mar. 31, 2021
[1]
Current assets    
Cash and cash equivalents $ 8,868,823 $ 10,427,340
Marketable securities, short-term 17,061,711 7,678,957
Accounts receivable, net of allowance for uncollectible accounts of $15,000 3,319,838 1,964,281
Inventories 3,670,026 3,900,777
Prepaid expenses and other assets 658,238 391,278
Total current assets 33,578,636 24,362,633
Fixed assets    
Machinery and equipment 9,280,343 9,254,664
Leasehold improvements 1,810,872 1,810,872
Property, Plant and Equipment, Gross, Ending Balance 11,091,215 11,065,536
Less accumulated depreciation and amortization 10,791,821 10,728,853
Net fixed assets 299,394 336,683
Deferred tax assets 101,660 73,538
Marketable securities, long-term 37,463,037 47,038,669
Right-of-use asset – operating lease 657,662 689,216
Total assets 72,100,389 72,500,739
Current liabilities    
Accounts payable 359,394 336,591
Accrued payroll and other 651,194 540,474
Income taxes payable 834,483 0
Operating lease 151,110 150,273
Total current liabilities 1,996,181 1,027,338
Operating lease 548,859 581,459
Total liabilities 2,545,040 1,608,797
Shareholders’ equity    
Common stock, $0.01 par value, 6,000,000 shares authorized; 4,833,232 issued and outstanding as of June 30 and March 31, 2021 48,332 48,332
Additional paid-in capital 19,345,365 19,338,127
Accumulated other comprehensive income 1,010,954 1,101,119
Retained earnings 49,150,698 50,404,364
Total shareholders’ equity 69,555,349 70,891,942
Total liabilities and shareholders’ equity $ 72,100,389 $ 72,500,739
[1] The March 31, 2021 Balance Sheet is derived from the audited financial statements contained in our Annual Report on Form 10-K for the fiscal year ended March 31, 2021.