EMPLOYEE BENEFIT PLANS	12 Months Ended
Dec. 31, 2016
EMPLOYEE BENEFIT PLANS
EMPLOYEE BENEFIT PLANS	17. EMPLOYEE BENEFIT PLANS Retirement Savings and Profit Sharing Plans Retirement Savings and Profit Sharing Plans The Company offers a 401(k) retirement savings plan to all eligible employees who may elect to contribute a portion of their salary on a pre‑tax basis, subject to applicable statutory limitations. Participating non‑union employees are eligible to receive safe harbor matching contributions equal to 100% of the first 3% of the participant’s elective deferral contributions and 50% of the next 2% of the participant’s elective deferral contributions. In accordance with the collective bargaining agreements in place at its two union locations, the Company’s Illinois‑based union employees are eligible to receive a discretionary match in an amount up to 50% of each participant’s first 4% of elective deferral contributions, and the Company’s Pennsylvania‑based union employees are eligible to receive a discretionary match in an amount up to 100% of each participant’s first 3% and 50% of the next 2% of elective deferral contributions. The Company has the discretion, subject to applicable statutory requirements, to fund any matching contribution with a contribution to the plan of the Company’s common stock. Beginning with the first quarter of 2012, the Company funded the matching contributions in the form of the Company’s common stock. Starting in the first quarter of 2014, the Company resumed funding the matching contributions in cash. Under the plan, elective deferrals and basic Company matching will be 100% vested at all times. For the years ended December 31, 2016 and 2015, the Company recorded expense under these plans of approximately $823 and $876, respectively. Deferred Compensation Plan The Company maintains a deferred compensation plan for certain key employees and nonemployee directors, whereby certain wages earned, compensation for services rendered, and discretionary company‑matching contributions may be deferred and deemed to be invested in the Company’s common stock. Changes in the fair value of the plan liability are recorded as charges or credits to compensation expense. Compensation expense associated with the deferred compensation plan recorded during the years ended December 31, 2016 and 2015 was $24 and ($19), respectively. The fair value of the plan liability to the Company is included in accrued liabilities in the Company’s consolidated balance sheets. As of December 31, 2016 and 2015, the fair value of plan liability to the Company was $36 and $12, respectively. In addition to the employee benefit plans described above, the Company participates in certain customary employee benefits plans, including those which provide health and life insurance benefits to employees.

17. EMPLOYEE BENEFIT PLANS

Retirement Savings and Profit Sharing Plans

The Company offers a 401(k) retirement savings plan to all eligible employees who may elect to contribute a portion of their salary on a pre‑tax basis, subject to applicable statutory limitations. Participating non‑union employees are eligible to receive safe harbor matching contributions equal to 100% of the first 3% of the participant’s elective deferral contributions and 50% of the next 2% of the participant’s elective deferral contributions. In accordance with the collective bargaining agreements in place at its two union locations, the Company’s Illinois‑based union employees are eligible to receive a discretionary match in an amount up to 50% of each participant’s first 4% of elective deferral contributions, and the Company’s Pennsylvania‑based union employees are eligible to receive a discretionary match in an amount up to 100% of each participant’s first 3% and 50% of the next 2% of elective deferral contributions. The Company has the discretion, subject to applicable statutory requirements, to fund any matching contribution with a contribution to the plan of the Company’s common stock. Beginning with the first quarter of 2012, the Company funded the matching contributions in the form of the Company’s common stock. Starting in the first quarter of 2014, the Company resumed funding the matching contributions in cash. Under the plan, elective deferrals and basic Company matching will be 100% vested at all times.

For the years ended December 31, 2016 and 2015, the Company recorded expense under these plans of approximately $823 and $876, respectively.

Deferred Compensation Plan

The Company maintains a deferred compensation plan for certain key employees and nonemployee directors, whereby certain wages earned, compensation for services rendered, and discretionary company‑matching contributions may be deferred and deemed to be invested in the Company’s common stock. Changes in the fair value of the plan liability are recorded as charges or credits to compensation expense. Compensation expense associated with the deferred compensation plan recorded during the years ended December 31, 2016 and 2015 was $24 and ($19), respectively. The fair value of the plan liability to the Company is included in accrued liabilities in the Company’s consolidated balance sheets. As of December 31, 2016 and 2015, the fair value of plan liability to the Company was $36 and $12, respectively.

In addition to the employee benefit plans described above, the Company participates in certain customary employee benefits plans, including those which provide health and life insurance benefits to employees.