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Inventory

12 Months Ended

Dec. 31, 2020

Note 5. Inventory

Our inventory balance consists of the following (in thousands):


		December 31,
		2020			2019
Raw materials		$	1,275		$	1,275
Work-in-process			21,242			8,634
Finished goods			13,456			6,596
			35,973			16,505
Inventories-current			16,425			11,400
Inventories-noncurrent		$	19,548		$	5,105

Inventories, stated at the lower of cost and net realizable value, consist of raw materials, work-in-process and finished goods. At December 31, 2020, $16.4 million of inventory was classified as current on the consolidated balance sheet as we expect this inventory to be consumed for commercial use within the next twelve months. At December 31, 2020, $19.5 million of inventory was classified as non-current on the consolidated balance sheet as we did not expect this inventory to be consumed for commercial use within the next twelve months. We obtain some inventory components from a limited number of suppliers due to technology, availability, price, quality or other considerations. The loss of a supplier, the deterioration of our relationship with a supplier, or any unilateral violation of the contractual terms under which we are supplied components by a supplier could adversely affect our total revenues and gross margins.