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Leases - Lease cost (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Lessee, Lease, Description [Line Items] |  |  |  |  |
Operating lease assets | $ 3,907,809 |  | $ 3,907,809 |  | $ 4,493,360
Finance lease assets | 3,008 |  | 3,008 |  | 6,890
Total lease assets | $ 3,910,817 |  | $ 3,910,817 |  | $ 4,500,250
Finance lease, right-of-use asset, statement of financial position [extensible list] | Property and equipment, net |  | Property and equipment, net |  | Property and equipment, net
Operating lease liabilities - current | $ 864,139 |  | $ 864,139 |  | $ 914,800
Operating lease liabilities - noncurrent | 3,698,514 |  | 3,698,514 |  | 4,254,173
Finance lease liabilities - current | 4,212 |  | 4,212 |  | 6,969
Finance lease liabilities - noncurrent | 0 |  | 0 |  | 1,519
Total lease obligations | $ 4,566,865 |  | $ 4,566,865 |  | $ 5,177,461
Finance lease, liability, current, statement of financial position, extensible list | Other liabilities |  | Other liabilities |  | Other liabilities
Finance lease, liability, noncurrent, statement of financial position, extensible list | Other long-term liabilities |  | Other long-term liabilities |  | Other long-term liabilities
Total lease expense | $ 199,757 | $ 233,939 | $ 671,209 | $ 694,412 |
Selling, general and administrative |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Operating lease expense | 198,319 | 232,255 | 666,291 | 689,503 |
Amortization of finance lease assets | 1,322 | 1,370 | 4,400 | 3,917 |
Interest (expense) income, net |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Interest (expense) income, net | $ 116 | $ 314 | $ 518 | $ 992 |

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- Definition Operating and Finance Lease Right-of-Use Assets + References No definition available. + Details
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- Definition Amount of interest expense on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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