Commitments and Contingencies (Future Minimum Lease Payments) (Details) $ in Thousands	Mar. 31, 2017 USD ($)
Capital Leases
2017 (9 months remaining)	$ 105
2018	140
2019	140
2020	23
2021 and beyond	0
Total minimum lease payments	408
Less: amount representing interest	(29)
Present value of capital lease obligations	379
Less: current portion	(124)
Long-term portion of capital leases	255
Operating Leases
2017 (9 months remaining)	2,327
2018	3,185
2019	3,280
2020	712
2021 and beyond	531
Total minimum lease payments	$ 10,035