Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventory Disclosure [Abstract]

Schedule of inventory, net of reserves

Inventories, net of reserves, as of June 30, 2013 and December 31, 2012 consisted of the following:

	June 30, 2013		December 31, 2012
Current:
Raw materials	$	902	$	734
Finished goods	11,402		10,139
	$	12,304	$	10,873
Long-term:
Raw materials	$	681	$	891
Finished goods	928		1,064
	$	1,609	$	1,955

Schedule of Non-Current Inventory Valuation Losses

The following table summarizes the losses incurred on valuation of inventory at lower of cost or market value and write-off of obsolete inventory during the three and six months ended June 30, 2013 and 2012, respectively.

	Three months ended June 30,				Six months ended June 30,
	2013		2012		2013		2012
Losses incurred on valuation of inventory and write-off of obsolete inventory	$	—	$	188	$	—	$	278