Convertible notes payable consists of the following (in thousands):


	MATURITY DATE	SEPTEMBER 30, 2013		DECEMBER 31, 2012
Convertible notes (March 2012 Convertible Notes) bearing interest at 10.00% per annum issued in March and April 2012. The convertible notes were converted to common stock in August 2013.	September 2013	$	—	$	20,204
Convertible note (October 2012 Convertible Note) bearing interest at 10.00% per annum issued in October 2012. The convertible note was converted to common stock in August 2013	September 2013		—		2,314

Convertible notes payable, current portion			—		22,518
Convertible note (October 2012 Subordinated Convertible Note) bearing interest at 12.00% per annum issued in October 2012. The convertible note was converted to common stock in August 2013	October 2015		—		2,797
Convertible note (December 2012 Convertible Note) bearing interest at 10.00% per annum issued in December 2012. The convertible note was converted to common stock in August 2013	October 2015		—		16,545
Convertible note (First May 2013 Convertible Note) bearing interest at 10.00% per annum issued in May 2013. The convertible note was converted to common stock in August 2013	May 2016		—		—
Convertible note (Second May 2013 Convertible Note) bearing interest at 10.00% per annum issued in May 2013. The convertible note was converted to common stock in August 2013	May 2016		—		—

Total convertible notes payable		$	—	$	41,860