Summary of Significant Accounting Policies - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Adjusted Cost	$ 31,221	$ 38,058
Fair Value	31,226	38,082
Unrealized Gains	7	25
Unrealized Losses	2	1
Recurring [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Cash and Cash Equivalents	17,293	23,296
Investments Available for Sale	13,933	14,786
Cash [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Adjusted Cost	3,759	1,777
Fair Value	3,759	1,777
Cash [Member] \| Recurring [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Cash and Cash Equivalents	3,759	1,777
Mutual Funds [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Adjusted Cost	12,038	20,077
Fair Value	12,038	20,077
Unrealized Gains	0	0
Unrealized Losses	0	0
Mutual Funds [Member] \| Recurring [Member] \| Level 1 [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Cash and Cash Equivalents	12,038	20,077
Investments Available for Sale	0	0
U.S. Agency and Treasury Securities [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Adjusted Cost	15,424	16,204
Fair Value	15,429	16,228
Unrealized Gains	7	25
Unrealized Losses	2	1
U.S. Agency and Treasury Securities [Member] \| Recurring [Member] \| Level 1 [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Cash and Cash Equivalents	1,496	1,442
Investments Available for Sale	13,933	14,786
Total Investment Securities [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Adjusted Cost	27,462	36,281
Fair Value	27,467	36,305
Unrealized Gains	7	25
Unrealized Losses	2	1
Total Investment Securities [Member] \| Recurring [Member] \| Level 1 [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Cash and Cash Equivalents	13,534	21,519
Investments Available for Sale	$ 13,933	$ 14,786

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading, excluding cash and cash equivalents.

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Fair value portion of cash and investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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