Note 6 - Stockholders' Equity - Summary of Dividends Declared Pursuant to Dividend Policy (Detail)	Mar. 31, 2025 $ / shares
Subsidiary or Equity Method Investee [Line Items]
Dividend per share	$ 0.00375

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

Name:	us-gaap_DividendsPayableAmountPerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant