Notes Payable (Sutton Hill Capital Notes 1 & 2) (Narrative) (Details) (USD $) In Millions, unless otherwise specified		12 Months Ended
Jun. 30, 2010 Sutton Hill Capital Note 1 [Member]	Dec. 31, 2012 US Sutton Hill Capital Note - Related Party [Member]	Dec. 31, 2011 US Sutton Hill Capital Note - Related Party [Member]	Dec. 31, 2012 Minimum [Member] US Sutton Hill Capital Note - Related Party [Member]	Dec. 31, 2012 Maximum [Member] US Sutton Hill Capital Note - Related Party [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 5.0	$ 9.0
Spread on variable interest rate		5.75%
Interest rate		8.25%	8.25%	8.25%	10.00%

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant