XML 51 R40.htm IDEA: XBRL DOCUMENT
v3.25.1

Note 2 - Fair Value of Financial Instruments - Summary of Fair Value Maturities for Financial Asset (Details) $ in Thousands | Mar. 31, 2025 USD ($)
--- | ---
Assets, fair value | $ 19,983
Cash equivalents and marketable securities, less than 1 year | 19,983
Cash equivalents and marketable securities, 1-5 years | 0
Cash equivalents and marketable securities, 5-10 years | 0
Cash equivalents and marketable securities, more than 10 years | $ 0

X
- Definition Cash equivalents and marketable securities maturity less than one year, fair value. + References No definition available. + Details
Name: | dmrc_CashEquivalentsAndMarketableSecuritiesMaturityLessThanOneYearFairValue
Namespace Prefix: | dmrc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cash equivalents and marketable securities maturity more than ten year, fair value. + References No definition available. + Details
Name: | dmrc_CashEquivalentsAndMarketableSecuritiesMaturityMoreThanTenYearFairValue
Namespace Prefix: | dmrc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cash equivalents and marketable securities maturity year five through ten year, fair value. + References No definition available. + Details
Name: | dmrc_CashEquivalentsAndMarketableSecuritiesMaturityYearFiveThroughTenYearFairValue
Namespace Prefix: | dmrc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cash equivalents and marketable securities maturity year one through five year, fair value. + References No definition available. + Details
Name: | dmrc_CashEquivalentsAndMarketableSecuritiesMaturityYearOneThroughFiveYearFairValue
Namespace Prefix: | dmrc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of asset recognized for present right to economic benefit. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant