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Note 4 - Inventories (Details Textual) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Fuel [Member]
Inventory Third Party	$ 25,804	$ 37,675

Represents the amount of inventory held for third parties.

No definition available.

Name:	skas_InventoryThirdParty
Namespace Prefix:	skas_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Name:	srt_EnergyAxis=srt_FuelMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: