XML 1038 R6.htm IDEA: XBRL DOCUMENT v2.3.0.15
STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) (Pre Acquisition, USD $)
12 Months Ended
Dec. 31, 2009
Series E redeemable convertible preferred stock
Dec. 31, 2009
Private Placement
Dec. 31, 2010
Public Offering
Issuance costs$ 795,469$ 61,116$ 250,862