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Note 8. Line of Credit
3 Months Ended
Mar. 31, 2019
Line of Credit Facility [Abstract]  
Line of Credit

Effective October 4, 2018, the Company renewed its Line of Credit, which increased the amount of funds available for borrowing from $2,500,000 to $3,000,000. The interest rate was reduced from LIBOR plus 2.50% to LIBOR plus 1.75%. As of March 31, 2019, the interest rate was 4.22% and the Company did not owe any amounts on the Line of Credit.