Pending Merger (Details) (USD $)	Dec. 31, 2014
Business Acquisition [Line Items]
Number of common shares received (in shares)	3.6331upi_NumberOfCommonSharesReceived
Transaction costs	$ 820,000

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

No definition available.

Name:	us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant