Note 4 - Inventories

12 Months Ended

Dec. 31, 2019

Notes to Financial Statements

Inventory Disclosure [Text Block]

4.

Inventories

Inventories consist of the following:

	December 31,
	2019		2018
Raw materials	$	12,058	$	13,688
Work-in-process		8,330		4,626
Finished goods		8,777		6,819
Total	$	29,165	$	25,133
Inventories	$	21,995	$	21,300
Other long-term assets		7,170		3,833

Inventory is stated net of inventory reserves of approximately

$3.0

million and

$3.5

million, as of

December 31, 2019

and

2018,

respectively.

As a result of the voluntary recall of certain production lots of the Company’s HYAFF-based products, more fully described in Note

12,

the Company recorded an inventory reserve of

$0.8

million for non-saleable inventory. In addition, the Company recorded a net inventory reserve of

$1.3

million for certain HA raw materials, and it recorded a lower of cost or net realizable value adjustment of

$1.2

million for certain HYAFF-based products during the year ended

December 31, 2018.