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Note 10 - Customer Deposits | 12 Months Ended
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Dec. 31, 2015
Customer Deposits [Abstract] |
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 “Spike” which is equal to five-months hire. This amount will be returned to the charterer at the end of the thirty two months bareboat charter.
(b) On October 12, 2015 an amount of $736,000 was received from the bareboat charterer of Product carrier “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.

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

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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