CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2012
Private Financing [Member]
Dec. 31, 2012
Private Financing One [Member]
Issuance of stock, issuance costs     $ 52 $ 39
Common stock and vested options $ 0.01 $ 0.01