Accounts Payable and Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2013

Accounts Payable and Accrued Liabilities [Abstract]

Accounts Payable and Accrued Liabilities

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

	March 31, 2013		December 31, 2012
Trade accounts payable	$	1,184	$	1,127
Accrued royalties		87		87
Accrued interest		189		154
Sales taxes payable		83		78
Accrued compensation		36		80
Other accrued expenses		103		108
Total	$	1,682	$	1,634