Lease (Details 1) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabiltiies:
Operating cash outflow from operating leases	$ 509
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$ 205
Weighted-average remaining lease term-finance leases (in years)	2 years 2 months 12 days
Weighted-average remaining lease term-operating leases (in years)	3 years 3 months 19 days
Weighted-average discount rate-finance leases	9.10%
Weighted-average discount rate-operating leases	14.40%