1. Significant Accounting Policies (Details)	3 Months Ended
	Mar. 31, 2013
Computer and office equipment | Minimum
Depreciable lives	2 years
Computer and office equipment | Maximum [Member]
Depreciable lives	5 years
Computer software
Depreciable lives	3 years
Furniture and fixtures
Depreciable lives	4 years
Leasehold improvements | Minimum
Depreciable lives	2 years
Leasehold improvements | Maximum [Member]
Depreciable lives	5 years
Building
Depreciable lives	20 years