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Leases (Details 2) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Operating leases
Operating lease right-of-use assets	$ 581
Current portion of operating lease obligations	413
Finance leases
Property and equipment, net	1,704	2,484
Current portion of finance lease obligations	552	570
Finance lease obligations, net of current portion	599	$ 1,133
Lease [Member]
Operating leases
Operating lease right-of-use assets	581
Current portion of operating lease obligations	413
Operating lease liabilities, net of current portion	105
Total operating lease liabilities	518
Finance leases
Property and equipment, at cost	3,180
Accumulated depreciation	(1,708)
Property and equipment, net	1,472
Current portion of finance lease obligations	552
Finance lease obligations, net of current portion	599
Total finance lease liabilities	$ 1,151

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