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Note 4 - Inventories | 12 Months Ended
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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.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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