XML 20 R10.htm IDEA: XBRL DOCUMENT
v3.22.2

Note 2 - Dividends | 6 Months Ended
--- | ---
Jun. 30, 2022
Notes to Financial Statements |
Dividends Disclosure [Text Block] | 2. Dividends On May 11, 2022, the Company declared a cash dividend on its common stock, payable on August 15, 2022 to stockholders of record as of August 1, 2022, equal to $0.27 per share.

X
- Definition Disclosure of all or some of the information related to dividends declared, but not paid, as of the financial reporting date. + References No definition available. + Details
Name: | atlo_DividendsDisclosureTextBlock
Namespace Prefix: | atlo_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration