Income Taxes (Details Textual)	6 Months Ended
Jan. 31, 2016	Jan. 31, 2015
Income Taxes (Textual)
Deferred income tax assets valuation allowance percentage	100.00%	100.00%

Deferred income tax assets valuation allowance percentage.

No definition available.

Name:	strp_DeferredIncomeTaxAssetsValuationAllowancePercentage
Namespace Prefix:	strp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration