7. Goodwill Impairment (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Goodwill Impairment Details
Impairment write-down of goodwill	$ 4,472,089	$ 4,378,182
Goodwill	10,715,807	13,153,497
Accumulated impairment of goodwill	$ 10,606,032	$ 6,133,943