Restricted Cash	12 Months Ended
Dec. 31, 2011
Restricted Cash [Abstract]
Restricted Cash	Note 5 – Restricted Cash Restricted cash consists of a security deposit held by our bank as collateral for a letter of credit in the same notional amount held by our landlord to secure our obligations under our Lease Agreement dated May 26, 2004 for our headquarters location in Warrington, Pennsylvania (See, Note 13 – Commitments, for further discussion on our leases). Under terms of the lease agreement the required restricted cash balance as of December 31, 2011 and 2010 was $400,000, respectively. The notional amount of the letter of credit (and the related security deposit) will remain at $400,000 through the remainder of the lease term. Subject to certain conditions, upon expiration of the lease in February 2013, the letter of credit will expire and the security deposit will be released.

Note 5 – Restricted Cash

Restricted cash consists of a security deposit held by our bank as collateral for a letter of credit in the same notional amount held by our landlord to secure our obligations under our Lease Agreement dated May 26, 2004 for our headquarters location in Warrington, Pennsylvania (See, Note 13 – Commitments, for further discussion on our leases). Under terms of the lease agreement the required restricted cash balance as of December 31, 2011 and 2010 was $400,000, respectively. The notional amount of the letter of credit (and the related security deposit) will remain at $400,000 through the remainder of the lease term. Subject to certain conditions, upon expiration of the lease in February 2013, the letter of credit will expire and the security deposit will be released.