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Balance Sheets (Current Period Unaudited) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 6,835,402 $ 6,463,255
Equity investment in mutual funds 502,719 502,595
Accounts receivable 95,135 98,515
Prepaid expense and other assets 137,232 8,711
Total current assets 7,570,488 7,073,076
Property and equipment, net 9,126,011 9,243,621
Total assets 16,696,499 16,316,697
Current liabilities:    
Trade payables and accrued expenses 97,087 110,786
Unearned revenue 172,617 231,409
Income tax payable 25,486
Total current liabilities 295,190 342,195
Deferred income tax payable 187,664 187,664
Total liabilities 482,854 529,859
Stockholders' equity:    
Common stock, 3,000,000 authorized, no par value, 1,942,495 issued and outstanding as of March 31, 2021 and December 31, 2020 59,335 59,335
Retained earnings 16,154,310 15,727,503
Total stockholders' equity 16,213,645 15,786,838
Total liabilities and stockholders' equity $ 16,696,499 $ 16,316,697