Summary of Significant Accounting Policies (Details)	12 Months Ended
Summary of Significant Accounting Policies (Details)	Dec. 31, 2025 USD ($) Customer	Dec. 31, 2024 USD ($) Customer	Dec. 31, 2022 USD ($)	Jul. 01, 2025 USD ($)	Jul. 01, 2022 USD ($)
Summary of Significant Accounting Policies [Abstract]
Reserves for uncollectible accounts	$ 14,013	$ 10,000
Research tax credits available to the Company	948,292	1,030,809
Depreciation expense	295,859	277,178
Disposed of property and equipment cost	296,338	82,507
Net book value	62,650	676
Impairment of long-lived assets	$ 0
Minimum term to record operating leases as right-to-use assets and operating lease liabilities	1 year
Minimum term to record finance leases as right-to-use assets and finance lease liabilities	1 year
Weighted average useful life	3 years
Amortization expense	$ 46,175	20,140
Payments of deferred offering costs			$ 232,845
Authorized offering amount of securities	150,000,000				$ 150,000,000
Deferred offering costs	15,637	3,143
Other expense	196,267
Deferred costs	73,785	211,654
Revenue recognized from performance obligations in prior periods	0	0
Unsatisfied performance obligation	$ 0	0
Percentage of restocking fee	30.00%
Advertising expense	$ 262,270	360,958
Unrecognized tax benefits	$ 0	$ 0
Minimum [Member]
Summary of Significant Accounting Policies [Abstract]
Agreed percentage of invoiced costs retains	5.00%
Revenue recognition payment period term	30 days
Maximum [Member]
Summary of Significant Accounting Policies [Abstract]
Authorized offering amount of securities				$ 150,000,000
Agreed percentage of invoiced costs retains	15.00%
Revenue recognition payment period term	60 days
Customer Concentration Risk [Member] \| Revenue [Member]
Summary of Significant Accounting Policies [Abstract]
Number of major customers (in Customer) \| Customer	1	2
Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Summary of Significant Accounting Policies [Abstract]
Number of major customers (in Customer) \| Customer	1	3
Customer Concentration Risk [Member] \| Customer One [Member] \| Revenue [Member]
Summary of Significant Accounting Policies [Abstract]
Concentration of risk percentage	21.00%	15.00%
Customer Concentration Risk [Member] \| Customer One [Member] \| Accounts Receivable [Member]
Summary of Significant Accounting Policies [Abstract]
Concentration of risk percentage	76.00%	23.00%
Customer Concentration Risk [Member] \| Customer Two [Member] \| Revenue [Member]
Summary of Significant Accounting Policies [Abstract]
Concentration of risk percentage		12.00%
Customer Concentration Risk [Member] \| Customer Two [Member] \| Accounts Receivable [Member]
Summary of Significant Accounting Policies [Abstract]
Concentration of risk percentage		21.00%
Customer Concentration Risk [Member] \| Customer Three [Member] \| Accounts Receivable [Member]
Summary of Significant Accounting Policies [Abstract]
Concentration of risk percentage		12.00%

FEMASYS INC 10-K