XML 36 R12.htm IDEA: XBRL DOCUMENT v3.24.1.u1

Note 3 - Inventories

12 Months Ended

Dec. 31, 2023

Notes to Financial Statements

Inventory Disclosure [Text Block]

3. Inventories

Inventories consisted of the following:

		2022				2023
Lubricants			2,306,177				2,538,342
Total			2,306,177				2,538,342

X

- References

No definition available.

+ Details

Name:	us-gaap_DisclosureTextBlockAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 330
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/330/tableOfContent

+ Details

Name:	us-gaap_InventoryDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration