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Inventory | 12 Months Ended
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Dec. 31, 2019
Inventory Disclosure [Abstract] |
Inventory | Inventory Inventories are stated at the lower of cost and net realizable value. Cost is determined using the weighted average cost of raw materials which approximates the FIFO method and includes allocations of manufacturing labor and overhead. Included in finished goods at December 31, 2019 and December 31, 2018 was $1.4 million and $1.4 million, respectively, of trial and evaluation hardware units. Provisions are made to reduce excess, obsolete or slow-moving inventories to their net realizable value. Inventories consisted of the following at December 31 (in thousands):
| 2019 |  | 2018
Raw materials | $ | 20,789 |  |  | $ | 19,670 |
Finished goods | 18,056 |  |  | 14,093 |
Total inventory | $ | 38,845 |  |  | $ | 33,763 |

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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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