Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Schedule of inventory, net of reserves

Inventories, net of reserves, as of March 31, 2015 and December 31, 2014 consisted of the following:

	March 31, 2015		December 31, 2014
Current:
Raw materials	$	3,071	$	3,056
Finished goods	12,338		11,408
	$	15,409	$	14,464
Long-term:
Raw materials	$	70	$	59
Finished goods	620		817
	$	690	$	876

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 months ended March 31, 2015 and 2014, respectively.

	Three months ended March 31,
	2015		2014
Net loss (gain) on valuation of inventory and write-off of obsolete inventory	$	47	$	416