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Stock-Based Compensation	9 Months Ended
Stock-Based Compensation	Sep. 30, 2015
Stock-Based Compensation
Stock-Based Compensation	Note 14—Stock-Based Compensation On May 3, 2013, the Board of Directors granted 100,000 Restricted Stock Units (“Units”) to an executive under the 2013 Long-term Incentive Equity Plan (the “Equity Plan”). Commencing annually on May 10, 2014 and ending April 30, 2017, the Units will vest in four equal installments subject to continuing employment of the executive. At September 30, 2015, a total of 50,000 Units were vested. On March 24, 2014, the Board of Directors granted 48,512 Units to another executive under the Equity Plan. On September 23, 2015 a total of 24,256 Units vested and the remaining 24,256 Units will vest on March 23, 2017, subject to continuing employment of the executive. Vesting of both grants is also subject to earlier acceleration, termination, cancellation or forfeiture as provided in the underlying Primoris Restricted Stock Unit agreement (“RSU Award Agreement”). Each Unit represents the right to receive one share of the Company’s common stock when vested. Under guidance of ASC Topic 718 “Compensation — Stock Compensation”, stock-based compensation cost is measured at the date of grant (utilizing the prior-day closing price), based on the calculated fair value of the stock-based award, and is recognized as expense over the employee’s requisite service period (generally the vesting period of the award). The fair value of the Units was based on the closing market price of our common stock on the day prior to the date of the grant. Stock compensation expense for the Units is being amortized using the straight-line method over the service period. For the three months ended September 30, 2015 and 2014, the Company recognized $262 and $262, respectively, in compensation expense. For the nine months ended September 30, 2015 and 2014, the Company recognized compensation expense of $787 and $671, respectively. At September 30, 2015, approximately $1.6 million of unrecognized compensation expense remains for the Units, which will be recognized through April 30, 2017. Vested Units accrue “Dividend Equivalents” (as defined in the Equity Plan) which will be accrued as additional Units. At September 30, 2015, a total of 535 Dividend Equivalent Units were accrued.