7. Leases (Details 1) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows (fixed payments)	$ 522
Operating cash flows (liability reduction)	$ 369
Weighted average remaining lease term (in years)	6 years 2 months 23 days
Weighted average discount rate	5.50%