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Cash, Cash Equivalent, and Investments (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents $ 4,823,544 $ 2,386,314
Short term investments, adjusted cost 29,399,146 38,816,441
Long term investments, adjusted cost 1,511,636 0
Cash and Investment, fair value 35,738,787 41,117,434
Investment, gross unrealized holding gain 22,452 0
Investment, gross unrealized holding losses (17,991) (85,321)
Cash and Investment, adjusted cost 35,734,326 41,202,755
Cash    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents 1,010,510 1,048,272
Money Market Funds | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents 3,813,034 1,338,042
Corporate bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Held-to-maturity, premium paid on purchase 233,550 378,681
Corporate bonds | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short term investments, fair value 29,387,053 38,731,120
Short term investments, gross unrealized holding gain 5,898 0
Short term investments, gross unrealized holding loss (17,991) (85,321)
Short term investments, adjusted cost 29,399,146 $ 38,816,441
Long term Investments, fair value 1,528,190  
Long term Investments, gross unrealized holding gain 16,554  
Long term Investments, gross unrealized holding loss 0  
Long term investments, adjusted cost $ 1,511,636