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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Goodwill, Other Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Jul. 01, 2015
Finite-Lived Intangible Assets |  |  |  |
Gross Carrying Amount | $ 2,233 | $ 2,230 |  |
Accumulated Amortization Amount | 710 | 491 |  |
Net Book Value Amount | 1,523 | 1,739 |  |
Amortization expense | 219 | 237 |  |
Estimated future annual amortization expense |  |  |  |
2019 | 219 |  |  |
2020 | 191 |  |  |
2021 | 185 |  |  |
2022 | 185 |  |  |
2023 | 185 |  |  |
Thereafter | 541 |  |  |
Total | 1,506 |  |  |
Goodwill and Other Intangible Assets |  |  |  |
Impairment of Goodwill | 0 | 908 |  |
Goodwill | 2,375 | 2,375 | $ 3,283 |
Devicix, LLC |  |  |  |
Goodwill and Other Intangible Assets |  |  |  |
Impairment of Goodwill | $ 0 | $ 908 |  |
Goodwill |  |  |  | $ 3,200
Customer Relationships |  |  |  |
Finite-Lived Intangible Assets |  |  |  |
Remaining lives | 9 years | 9 years |  |
Gross Carrying Amount | $ 1,302 | $ 1,302 |  |
Accumulated Amortization Amount | 506 | 361 |  |
Net Book Value Amount | $ 796 | $ 941 |  |
Intellectual Property |  |  |  |
Finite-Lived Intangible Assets |  |  |  |
Remaining lives | 3 years | 3 years |  |
Gross Carrying Amount | $ 100 | $ 100 |  |
Accumulated Amortization Amount | 61 | 28 |  |
Net Book Value Amount | $ 39 | $ 72 |  |
Trade Names |  |  |  |
Finite-Lived Intangible Assets |  |  |  |
Remaining lives | 20 years | 20 years |  |
Gross Carrying Amount | $ 814 | $ 814 |  |
Accumulated Amortization Amount | 143 | 102 |  |
Net Book Value Amount | $ 671 | $ 712 |  |
Other |  |  |  |
Finite-Lived Intangible Assets |  |  |  |
Remaining lives | 7 years | 7 years |  |
Gross Carrying Amount | $ 17 | $ 14 |  |
Net Book Value Amount | $ 17 | $ 14 |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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