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Discontinued Operations - Summary of Assets and Liabilities Related to Discontinued Operation Held for Sale (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Current liabilities held for sale: |  |
Noncurrent liabilities |  | $ 245
Held for Sale [Member] |  |
Current assets held for sale: |  |
Accounts receivable, net | $ 230 | 108
Inventory, net | 2,635 | 2,841
Other current assets | 351 | 328
Long-term assets held for sale: |  |
Property and equipment, net | 211 | 260
Other noncurrent assets | 1,471 | 1,866
Operating lease right-of-use assets | 1,248 |
Goodwill | 3,550 | 3,550
Intangible assets, net | 5,540 | 5,957
Total assets | 15,236 | 14,910
Current liabilities held for sale: |  |
Accounts payable and accrued liabilities | 526 | 580
Current lease liability | 485 |
Noncurrent operating lease liability | 828 |
Other noncurrent liabilities | 67 | 78
Deferred revenues | 196 | 167
Noncurrent liabilities | $ 2,102 | $ 825

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