Lease Commitment To Releated Party (Narrative) (USD $)	12 Months Ended
Mar. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013
Lease Commitment To Releated Party Narrative
Rent expense	$ 500,770	$ 712,248	$ 1,066,990
Annual rental under new lease	486,000
Approximate storage costs	$ 15,000
Square footage leased from related party				23,000

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

Name:	us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration