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Commitments and Contingencies | 12 Months Ended
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Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingencies | Commitments and Contingencies 401(k) Plan We offer a 401(k) Plan to all employees that have reached the age of eighteen and have completed six months of service. The participants may contribute up to 100% of their salary subject to IRS limitations. Employer contributions are subject to Board discretion and are subject to a vesting schedule of 20% each year after the first year and 100% after six years. We contributed $355,000, $301,000, and $295,000 to the 401(k) Plan in 2018, 2017 and 2016, respectively. Rented Facilities, Vehicles and Equipment We lease certain of our facilities and equipment under operating leases with terms generally ranging from month-to-month to five years. Most leases contain renewal options. Remaining future minimum rental payments (excluding month to month) due under these leases are as follows:
Years Ending December 31, (in thousands) |  |
2019 | $ | 298
2020 |  | 118
2021 |  | 97
2022 |  | 44
2023 |  | 35
Thereafter |  | 15
Total | $ | 607
Rent expense under such leases was $433,000, $310,000, and $325,000 for the years ended December 31, 2018, 2017 and 2016, respectively. Legal Proceedings From time to time, we are a party to various legal proceedings in the ordinary course of our business. While management is unable to predict the ultimate outcome of these actions, it believes that any ultimate liability arising from these actions will not have a material effect on our financial position, results of operations or cash flow. We are not currently a party to any bankruptcy, receivership, reorganization, adjustment or similar proceeding, and we are not aware of any other threatened litigation.

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- Definition The entire disclosure for legal proceedings, legal contingencies, litigation, regulatory and environmental matters and other contingencies. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -URI http://asc.fasb.org/topic&trid=2127136 + Details
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