Accounts Payable and Accrued Liabilities

6 Months Ended

Jun. 30, 2013

Accounts Payable and Accrued Liabilities [Abstract]

Accounts Payable and Accrued Liabilities

9. Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities at June 30, 2013 and December 31, 2012 consisted of the following (in thousands):

			December 31,
	June 30, 2013		2012
Trade accounts payable	$	1,081	$	1,127
Accrued royalties		87		87
Accrued interest		213		154
Sales taxes payable		85		78
Accrued compensation		91		80
Other accrued expenses		39		108
Total	$	1,596	$	1,634