N-2 - $ / shares |
3 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2024 |
Dec. 31, 2023 |
Mar. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Cover [Abstract] | ||||||||||
| Entity Central Index Key | 0000845385 | |||||||||
| Amendment Flag | false | |||||||||
| Securities Act File Number | 814-00710 | |||||||||
| Document Type | 10-Q | |||||||||
| Entity Registrant Name | PRINCETON CAPITAL CORPORATION | |||||||||
| Entity Address, Address Line One | 800 Turnpike Street | |||||||||
| Entity Address, Address Line Two | Suite 300 | |||||||||
| Entity Address, City or Town | North Andover | |||||||||
| Entity Address, State or Province | MA | |||||||||
| Entity Address, Postal Zip Code | 01845 | |||||||||
| City Area Code | (978) | |||||||||
| Local Phone Number | 794-3366 | |||||||||
| Entity Emerging Growth Company | false | |||||||||
| General Description of Registrant [Abstract] | ||||||||||
| Risk [Text Block] |
Item 1A. Risk Factors
In addition to the other information set forth in this report, you should carefully consider the factors discussed in Part I, “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended December 31, 2023, which could materially affect our business, financial condition and/or operating results. The risks described in our Annual Report on Form 10-K are not the only risks we face. Additional risks and uncertainties are not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition and/or operating results. |
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| NAV Per Share | [1] | $ 0.21 | $ 0.265 | $ 0.258 | $ 0.266 | $ 0.286 | $ 0.187 | $ 0.276 | $ 0.345 | |
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