Revenues (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Total Revenues	$ 37,968	$ 40,103	$ 81,563	$ 81,717
Fluid Delivery [Member]
Total Revenues	21,761	18,285	44,108	36,446
Cardiovascular [Member]
Total Revenues	10,841	14,579	25,666	29,999
Ophthalmology [Member]
Total Revenues	936	1,817	1,800	4,100
Other [Member]
Total Revenues	$ 4,430	$ 5,422	$ 9,989	$ 11,172