Income Taxes (Summary of Effective Income Tax Rate For Continuing Operations) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Income tax expense (benefit) at federal statutory rate	$ 7,638	$ (5,219)	$ 9,689
Federal statutory rate	21.00%	35.00%	35.00%
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income	$ 1,901	$ 0	$ 0
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income - Percentage	5.20%	0.00%	0.00%
State taxes, net of federal income tax benefit	1.40%	(4.40%)	2.30%
Non-deductible expenses	0.90%	(2.90%)	1.40%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount	$ 175	$ 199	$ 0
Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Percent	0.50%	(1.30%)	0.00%
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	$ 1,340	$ 0	$ 0
Effective Income Tax Rate Reconciliation, Tax Credit, Percent	(3.70%)	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	$ 322.000	$ 434.000	$ 396.000
effective income tax rate reconciliation, non-deductible goodwill and asset impairment	5.10%	(1.50%)	0.00%
Foreign rate differences	5.00%	(17.10%)	1.80%
effective income tax rate reconciliation, valuation allowance due to foreign losses	$ (975)	$ 20,757	$ (416)
Effective Income Tax Rate Reconciliation, Valuation Allowance Due To Foreign Losses And Impairments, Percentage	(2.70%)	(139.30%)	(1.50%)
Effective Income Tax Rate Reconciliation Amount - FDII	$ (1,050)	$ 0	$ 0
Effective Income Tax Rate Reconciliation Percent - FDII	(2.90%)	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Valuation Allowance Due To Foreign Losses, Percentage	1.50%	(0.60%)	1.00%
Research and development tax credit	(1.20%)	2.50%	(2.00%)
Domestic Production Activities Deduction	0.00%	0.00%	(2.70%)
Changes in estimates related to prior year tax provision	(0.80%)	(2.10%)	1.20%
Goodwill impairment	0.30%	0.00%	(0.90%)
Effective Income Tax Rate Reconciliation Unremitted Earnings From Foreign Operations, Amount	$ 126.000	$ 0.000	$ (256.000)
Effective Income Tax Rate Reconciliation Capital Loss Carryforwards Valuation Allowance, Amount	553.000	83.000	267.000
Effective income tax rate reconciliation, non-deductible goodwill and other impairments, amount	$ 1,801	$ 228	$ 13
Other	0.00%	411.90%	0.00%
Effective income tax rate for continuing operations	31.70%	356.50%	11.60%
Effective Tax Rate Reconciliation Worthless Stock Deductions, Amount	$ 0.000	$ (61,413.000)	$ 0.000
Impact of U.S. Tax Cuts and Jobs Act	$ 0	$ (4,433)	$ 0
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	0.00%	29.70%	0.00%
Effective Income Tax Rate Reconciliation, escrow settlement, amount		$ (4,200.000)
Settlement of Terphane acquisition escrow		28.20%
Increase in value of kaléo investment held abroad	$ 0	$ (2,326)	$ (197)
Increase In Value Of kaléo Investment Held Abroad, Percentage	0.00%	15.60%	(0.70%)
Effective Income Tax Rate Reconciliation, Tax Settlement, Other, Amount	$ 773	$ (420)	$ 104
Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Percent	2.10%	2.80%	0.40%
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount	$ (420)	$ (375)	$ (550)
Domestic Production Activities Deduction	0	0	(735)
Remitted earnings from foreign operations	$ 0	$ 0	$ (6,574)
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent	0.00%	0.00%	(23.70%)
Changes in estimates related to prior year tax provision	$ (303)	$ 320	$ 330
State taxes, net of federal income tax benefit	520	656	647
Foreign rate differences	1,805	2,546	499
Income tax expense (benefit) at effective income tax rate	$ 11,526	$ (53,163)	$ 3,217