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Note 10 - Customer Deposits | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Customer Deposits [Text Block] |
10. | Customer Deposits
These amounts represent deposits received from charterers as guarantees and are comprised as follows:
| (a) | On February 24, 2015 an amount of $1,820,700 was received from the bareboat charterer of Aframax tanker “Stealth Berana” (ex. “Spike”) which is equal to five -months hire. This amount will be returned to the charterer after the expiration of the bareboat charter in April 2018.
| (b) | On October 12, 2015 an amount of $736,000 was received from the bareboat charterer of Product carrier “Stealth Falcon” (ex. “Navig8 Faith”) which is equal to three -months hire. This amount will be returned to the charterer at the end of the three -year bareboat charter in February 2019.

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- Definition The entire disclosure for customer deposits. + References No definition available. + Details
Name: | gass_CustomerDepositsTextBlock
Namespace Prefix: | gass_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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