Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2015

Accounts Receivable [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	June 30, 2015			December 31, 2014
Royalties	$	1,268		$	40
Collaborators		142			14
Other		9			65
		1,419			119
Less, allowance for doubtful accounts		(10	)		(10	)
Total	$	1,409		$	109