Borrowings (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Schedule of capital lease obligations

	At December 31,
	2019		2018
Short-term debt:
Current portion of long-term debt		123		219
Total short-term debt	$	123	$	219
Long-term debt:
Finance lease obligations	$	155	$	232
Other unsecured promissory notes		105		248
Total		260		480
Less: current portion of long-term debt		123		219
Total long-term debt	$	137	$	261