Commitments and Contingencies (Details Textual)			3 Months Ended		9 Months Ended
	Apr. 30, 2017 USD ($)	Nov. 18, 2016	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 EUR (€)	Jan. 31, 2017 USD ($)	Jan. 31, 2017 EUR (€)
Commitments and Contingencies (Textual)
Rent expense			$ 21,000	$ 55,000	$ 46,000	$ 155,000
Minimum purchase obligations under the agreement, 2016			525,000		$ 525,000		€ 400,000	$ 12,000	€ 10,000
Lease expiration date					Dec. 31, 2019
Percentage of matching contribution of employer					100.00%
Contribution plan, description					The Company's matching contribution is equal to 100 percent on the first four percent of a participant's compensation which is deferred as an elective deferral.
Matching contribution, amount			8,000	5,000	$ 17,000	21,000
Renewal term of agreement, description					The Company has two options to renew the lease for an additional three years each.
Term of lease					5 years
Product liability insurance, description					The Company currently maintains product liability insurance of $5 million per-occurrence and a $10 million annual aggregate coverage.
Research costs	$ 32,000		$ 3,000	$ 1,000	$ 42,000	$ 16,000
Supply Agreement [Member]
Commitments and Contingencies (Textual)
Expiration date of agreement		Dec. 31, 2018