Goodwill (Details) (USD $)	12 Months Ended		12 Months Ended
Jun. 30, 2011	Jul. 31, 2011 Timios	Dec. 31, 2012 DSUSA	Jul. 31, 2011 DSUSA
Goodwill
Goodwill		$ (1,674,242)		$ (2,312,974)
Impairment charge related to goodwill	$ 0		$ 2,312,974

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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

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+ Details