Income Taxes Operating Loss Carryforwards (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating Loss Carryforwards [Line Items]
State net operating losses usable after limitations from Internal Revenue Code 382	$ 22,418,000
State net operating loss carryforward	1,646,000	$ 1,922,000
Valuation allowance	15,051,000	8,842,000
Foreign net operating loss carryforwards	5,903,000	$ 2,454,000
Investment Tax Credit	828,000
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance	1,454,000
Foreign Country [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance	5,700,000
Foreign operating losses available to carryforward	28,912,000
Foreign operating losses expiring between 2014 and 2016	27,494,000
Foreign operating losses to be carried forward indefinitely	$ 1,418,000