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3. Allowance for Doubtful Accounts
3 Months Ended
Mar. 31, 2020
Allowance For Doubtful Accounts  
3. Allowance for Doubtful Accounts

The allowance for doubtful accounts on trade receivables was approximately $50 on gross trade receivables of $4,640 and $4,014 at March 31, 2020 and December 31, 2019, respectively. This allowance is used to state trade receivables at a net realizable value or the amount that the Company estimates will be collected of the Company’s gross trade receivables.