Accounts payable and accrued liabilities (Tables)

3 Months Ended

Mar. 31, 2015

Payables and Accruals [Abstract]

Schedule of accounts payable and accrued liabilities

Accounts payable and accrued liabilities consisted of the following (in thousands):

	March 31 2015		December 31 2014
Accounts payable	$	1,271	$	1,655
Accrued expenses	2,715		2,327
Accrued compensation and benefits	1,125		1,414
	$	5,111	$	5,396