CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents	$ 70,930	$ 50,224
Restricted cash	1,072	1,732
Short-term investments	36	44
Accounts receivable - trade, net of allowance of $31	73,029	49,766
Inventories	74,552	51,817
Prepaid expenses and other current assets	10,448	3,969
Total current assets	230,067	157,552
Cash restricted for construction in progress		8
Property, plant and equipment, net of accumulated depreciation of $58,596 and $49,175 at June 30, 2017 and December 31, 2016, respectively	181,481	144,098
Land use rights, net	797	778
Intangible assets, net	4,041	3,993
Deferred income tax assets	15,167	11,421
Other assets, net	7,151	4,468
TOTAL ASSETS	438,704	322,318
Current liabilities
Current portion of notes payable and long-term debt	3,638	7,865
Accounts payable	50,993	36,375
Bank acceptance payable		307
Accrued income taxes	5,459	974
Accrued liabilities	16,801	14,452
Total current liabilities	76,891	59,973
Notes payable and long-term debt, less current portion	37,371	34,961
TOTAL LIABILITIES	114,262	94,934
Stockholders' equity:
Common Stock; 45,000 shares authorized at $0.001 par value; 19,359 and 18,400 shares issued and outstanding at September 30, 2017 and December 31, 2016, respectively	19	18
Additional Paid in Capital	285,600	265,264
Accumulated other comprehensive gain (loss)	6,400	(885)
Retained earnings (accumulated deficit)	32,423	(37,013)
TOTAL STOCKHOLDERS' EQUITY	324,442	227,384
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 438,704	$ 322,318

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.