SALES CONCENTRATION AND CONCENTRATION OF CREDIT RISK (Tables)

6 Months Ended

Jun. 30, 2014

Risks and Uncertainties [Abstract]

Sales concentration

		2013						2014
Customer		Sales % Three Months Ended June 30,			Sales % Six Months Ended June 30,			Sales % Three Months Ended June 30,			Sales % Six Months Ended June 30,			Accounts Receivable Balance as of June 30, 2014
	A		—			58	%		—			—		$	—
	B		40	%		17	%		—			—		$	—
	C		27	%		11	%		—			—		$	—
	D		23	%		—			—			—		$	—
	E		—			—			46	%		42	%	$	230
	F		—			—			25	%		18	%	$	1,000
	G		—			—			19	%		—		$	450
	H		—			—			—			18	%	$	4,701