Commitments and Contingencies	9 Months Ended
Sep. 30, 2018
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Operating Lease Commitments In January 2018, the Company entered into a fourth modification (“Modification”) of its Fairfax, VA office lease. The Modification included: i) ten (10) year lease extension through March 31, 2029, ii) leasehold improvement allowances of up to $535,000 between 2018 and 2021 and iii) an early termination provision in March 2023 with payment of an early termination fee consisting of the landlord's unamortized costs of tenant improvements, real estate brokerage commissions, and six months base rent. Except as described above, there were no other significant leases amendments or modifications of existing leases during the nine month period ended September 30, 2018. Employment Agreements The Company has employment agreements with certain senior executives that set forth compensation levels and provide for severance payments in certain instances.

Commitments and Contingencies

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Operating Lease Commitments

In January 2018, the Company entered into a fourth modification (“Modification”) of its Fairfax, VA office lease. The Modification included: i) ten (10) year lease extension through March 31, 2029, ii) leasehold improvement allowances of up to $535,000 between 2018 and 2021 and iii) an early termination provision in March 2023 with payment of an early termination fee consisting of the landlord's unamortized costs of tenant improvements, real estate brokerage commissions, and six months base rent.

Except as described above, there were no other significant leases amendments or modifications of existing leases during the nine month period ended September 30, 2018.

Employment Agreements

The Company has employment agreements with certain senior executives that set forth compensation levels and provide for severance payments in certain instances.