Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 47,851	$ 27,709
Restricted cash	4,448	7,003
Accounts receivable, net, trade receivables	100,613	71,034
Accounts receivable, net, related parties	252	583
Other receivables, others	8,002	12,923
Other receivables, related parties	1	65
Contract assets	9,351	11,381
Inventories	43,046	33,868
Prepaid expenses and other current assets	6,253	4,185
Total current assets	219,817	168,751
Property, plant and equipment, net	6,575	5,518
Right-of-use assets from operating leases	18,349
Goodwill	3,977	3,977
Intangible assets, net	14,539	5,649
Deferred tax assets	1,691	2,752
Long-term restricted cash	501	936
Other assets	2,784	2,424
Total assets	268,233	190,007
Current liabilities:
Accounts payable, trade	43,320	36,865
Accounts payable, related parties	96	1,743
Short-term debt - bank and trade facilities	34,606	31,762
Other payables, others	1,652	1,792
Other payables, related parties	2,711	1,281
Contract liabilities - current	3,609	8,511
Operating lease liabilities - current	3,496
Accrued and other liabilities	10,389	11,517
Total current liabilities	99,879	93,471
Long-term debt, bank and trade facilities	10,407
Long-term debt, related parties	9,049	14,142
Contract liabilities - non-current	2,597	1,801
Deferred tax liabilities	1,021
Operating lease liabilities - non-current	15,957
Pension liabilities	13,269
Other long-term liabilities	1,658	2,739
Total liabilities	153,837	112,153
Commitments and contingencies (Note 15)
Stockholders’ equity and non-controlling interest:
Common stock, authorized 36,000 shares, 21,388 and 16,587 shares outstanding as of September 30, 2019 and December 31, 2018, respectively, at $0.001 par value	21	16
Additional paid-in capital	138,860	93,192
Accumulated other comprehensive loss	(5,445)	(192)
Accumulated deficit	(19,040)	(15,777)
Total stockholders’ equity	114,396	77,239
Non-controlling interest		615
Total stockholders’ equity and non-controlling interest	114,396	77,854
Total liabilities, stockholders’ equity and non-controlling interest	$ 268,233	$ 190,007