Equity (Details Textual 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended	12 Months Ended		2 Months Ended		1 Months Ended	2 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2012 Series C Preferred Stock [Member]	Jun. 30, 2013 Series C Preferred Stock [Member]	Jan. 31, 2013 Other Holders [Member]	Mar. 31, 2012 Other Holders [Member]	Jun. 30, 2013 Other Holders [Member]
Class of Warrant or Right [Line Items]
Warrants exercise price	$ 0.0252	$ 0.0269	$ 0.0261		$ 0.0225
Exercise period of warrants				3 years
Number of warrants exercised	1,300	35,162		28,678			6,484
Number of warrants exercised for cash				6,222		1,300
Proceeds from issuance of common stock, related to warrants exercise				$ 140
Number of warrants exercised on cashless basis				22,456
Number of common shares called by warrants excercise					23,928
Projected number of common shares, subject to issuance if the remaining warrants are excercised					107,623			27,736