XML 23 R11.htm IDEA: XBRL DOCUMENT

Commitments and contingencies	6 Months Ended
Commitments and contingencies	Jun. 30, 2016
Commitments and Contingencies Disclosure [Abstract]
Commitments and contingencies	Commitments and contingencies Letters of Credit On January 28, 2016, the letter of credit from Enterprise Bank and Trust Company required for collateral with an outstanding performance bond was closed as the Company had met the performance obligations of the bond.