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Balance Sheets - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 6,463,255 $ 3,280,289
Certificates of deposit 2,697,000
Equity investment in mutual funds 502,595 500,642
Accounts receivable 98,515 102,786
Prepaid expense and other assets 8,711 39,731
Total current assets 7,073,076 6,620,448
Property and equipment, net 9,243,621 9,242,082
Total assets 16,316,697 15,862,530
Current liabilities:    
Trade payables and accrued expenses 110,786 62,253
Unearned revenue 231,409 165,158
Total current liabilities 342,195 227,411
Deferred income tax payable 187,664 187,664
Total liabilities 529,859 415,075
Stockholders' equity:    
Common stock, 3,000,000 authorized, no par value, 1,942,495 issued and outstanding as of December 31, 2020 and December 31, 2019 59,335 59,335
Retained earnings 15,727,503 15,388,120
Total stockholders' equity 15,786,838 15,447,455
Total liabilities and stockholders' equity $ 16,316,697 $ 15,862,530