Restructuring Obligations and Other Charges (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2016 USD ($) Employee	Jun. 30, 2016 USD ($) Employee
Restructuring Reserve [Roll Forward]
Restructuring obligations, beginning of period	$ 0
Restructuring costs incurred	423,000
Cash payments	(368,000)
Restructuring obligations, end of period	55,000	$ 55,000
Contract Terminations [Member]
Restructuring Reserve [Roll Forward]
Restructuring obligations, beginning of period	0
Restructuring costs incurred	113,000	113,000
Cash payments	(82,000)
Restructuring obligations, end of period	31,000	31,000
Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring obligations, beginning of period	0
Restructuring costs incurred	310,000	310,000
Cash payments	(286,000)	(286,000)
Restructuring obligations, end of period	$ 24,000	$ 24,000
Reduction in number of employees | Employee	35	35