Subsequent Events (Details) - Subsequent Event [Member]	Aug. 11, 2017 USD ($)
Subsequent Events (Textual)
Common stock with aggregate gross proceeds	$ 4,800,000
Sales Agreement [Member]
Subsequent Events (Textual)
Percentage of gross proceeds from the sale	3.00%

It represent percentage of gross proceeds from the sale of service for the reporting period.

No definition available.

Name:	sngx_Percentageofgrossproceedservice
Namespace Prefix:	sngx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration