Note 5 - Accounts Receivable

3 Months Ended

Mar. 31, 2017

Notes to Financial Statements

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

Note

5.

Accounts Receivable

Our accounts receivable represent amounts due to us from collaborators, royalties, and sales of research reagents, and consisted of the following at

March

31,

2017

and

December

31,

2016

(in thousands):

	March 31,		December 31,
	2017		2016
Royalties	$	1,847	$	2,407
Collaborators		202		2,000
Other		48		457
Accounts receivable, net	$	2,097	$	4,864