Borrowings (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2019

Dec. 31, 2018

Debt Disclosure [Abstract]

Schedule of capital lease obligations

	September 30,			December 31,
	2019			2018
Short-term debt:
Current portion of long-term debt		129			219
Total short-term debt	$	129		$	219
Long-term debt:
Capital lease obligations	$	175		$	232
Other promissory notes		121			248
Total		296			480
Less: current portion of long-term debt		(129	)		(219	)
Total long-term debt	$	167		$	261

	At December 31,
	2018		2017
Short-term debt:
Current portion of long-term debt		219		177
Total short-term debt	$	219	$	177
Long-term debt:
Capital lease obligations	$	232	$	272
Other unsecured promissory notes		248		496
Total		480		768
Less: current portion of long-term debt		219		177
Total long-term debt	$	261	$	591