Fair Value Measurements (Details Textual)	12 Months Ended
Dec. 31, 2015
Fair Value Measurements (Textual)
Incremental discount rate premium due to lack of marketability	10.00%

Incremental discount rate premium due to lack of marketability.

No definition available.

Name:	stvi_IncrementalDiscountRatePremiumDueToLackOfMarketability
Namespace Prefix:	stvi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration