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Retirement Savings Plan | 12 Months Ended
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Dec. 31, 2017
Postemployment Benefits [Abstract] |
Retirement Savings Plan | 16. Retirement Savings Plan In 1994, the Company established a defined contribution plan, organized under Section 401(k) of the Internal Revenue Code, which allows employees who have completed at least three months of service, have worked a minimum of 250 hours in a quarter, and have reached age 18 to defer up to 50% of their pay on a pre-tax basis. The Company does not contribute a match to the employees’ contribution.

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- Definition The entire disclosure for postemployment benefits, which may include supplemental unemployment benefits, obligations recognized for all types of benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement. Disclosure may also include discussion that an obligation for postemployment benefits is not accrued in accordance with regulation only because the amount cannot be reasonably estimated. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -URI http://asc.fasb.org/topic&trid=2197446 + Details
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