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INVESTMENT IN DEBT SECURITIES HELD TO MATURITY (Tables)
12 Months Ended
Dec. 31, 2025
INVESTMENT IN DEBT SECURITIES HELD TO MATURITY  
Schedule of investment securities held to maturity

The following is a summary of the Company’s investment securities held to maturity as of December 31, 2025:

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Gross

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Gross

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Amortized

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Unrealized

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Unrealized

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Estimated Fair

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  ​ ​ ​

Cost

  ​ ​ ​

Gains

  ​ ​ ​

Losses

  ​ ​ ​

Value

Held-to-maturity securities – current:

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U.S. Treasury Strips

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$

4,577,706

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$

3,004

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$

—

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$

4,580,710

Held-to-maturity securities – noncurrent:

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U.S. Treasury Strips

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15,773,251

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68,770

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(2,144)

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15,839,877

Total held-to-maturity securities

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$

20,350,957

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$

71,774

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$

(2,144)

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$

20,420,587

Schedule of maturity for held to maturity securities

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Amortized

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Estimated Fair

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  ​ ​ ​

Cost

  ​ ​ ​

Value

Maturing in next twelve months

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$

4,577,706

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$

4,580,710

Maturing in next one to five years

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15,773,251

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15,839,877

Total held-to-maturity securities

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$

20,350,957

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$

20,420,587