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Schedule II - Valuation and Qualifying Accounts - Rollforward for Allowance for Doubtful Accounts (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Allowance for doubtful accounts | $ 59,559 | $ 409,076
Bad debt expense | 82,066 | (24,534)
Receivables written off during the periods | (10,298) | (295,778)
Effect of currency translation | 3,585 | (29,205)
Allowance for doubtful accounts | 134,912 | 59,559
SEC Schedule, 12-09, Allowance, Credit Loss [Member] |  |
Allowance for doubtful accounts | 59,559 | 409,076
Bad debt expense | 82,066 | (24,534)
Receivables written off during the periods | (10,298) | (295,778)
Effect of currency translation | 3,585 | (29,205)
Allowance for doubtful accounts | $ 134,912 | $ 59,559

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