Note 6 - Inventories

6 Months Ended

Jun. 30, 2018

Notes to Financial Statements

Inventory Disclosure [Text Block]

Inventories

Inventories, net of reserves, as of

June 30, 2018

and

December 31, 2017

consisted of the following:

	As of
	June 30 , 2018		December 31, 2017
Current:
Raw materials	$	2,580	$	197
Finished goods		11,799		14,218
	$	14,380	$	14,415

Long-term:
Raw materials	$	2,022	$	2,682
Finished goods		6,329		6,026
	$	8,351	$	8,708

Long-term inventory represents inventory held in excess of our current (next

months) requirements based on our recent sales and forecasted level of sales. We expect to sell the above inventory, net of reserves, at or above the stated cost and believe that

loss will be incurred on its sale, although there can be

assurance of the timing or amount of any sales.

Current finished goods did

not

include distributor channel inventories in the amounts of approximately

$1,555

as of

December 31, 2017.

Distributor channel inventories represented inventories at distributors and other customers where revenue recognition criteria had

not

yet been achieved.

Net loss incurred on valuation of inventory at lower of cost or net realizable value and write-off of obsolete inventory during the

three

and

six

months ended

June 30, 2018

was

$170

and

$425,

respectively. During the

three

months and

six

months ended

June 30, 2017

net loss incurred on valuation of inventory at lower of cost or net realizable value and write-off of obsolete inventory was

$55

and

$21,

respectively.