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2 - Balance Sheet Details: Other Accrued Expenses (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Details    
Profit sharing plan contribution $ 175,000 $ 277,743
Property taxes 83,475 91,527
All other items 90,594 106,703
Other Accrued Expenses $ 349,069 $ 475,973