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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Operating activities: |  |  |
Net income | $ 93,855,400 | $ 43,923,997 | $ 13,047,584
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Long-lived assets impairment | 2,987,668 | 198,689 | 1,622,588
Share-based compensation | 4,200,273 | 2,702,089 | 3,687,951
Inventory write-down |  |  | 62,422
Reversal of allowance for doubtful accounts | (2,750) | (1,053,041) | (2,026,567)
Depreciation of property, plant and equipment | 38,824,055 | 33,822,082 | 31,361,026
Loss on disposal of Property Plant and Equipment | 154,575 | 181,028 | 166,283
Deferred tax assets | (85,302) | 445 | (626,965)
Changes in operating assets and liabilities: |  |  |
Accounts receivable | 2,112,239 | 14,890,598 | (10,399,283)
Notes receivable | (12,884,067) | (2,634,860) | 36,898,166
Prepaid expenses and other current assets | 898,903 | 3,415,637 | 30,465
Advances to suppliers | (786,273) | (761,045) | 264,361
Inventories | (6,252,834) | (2,258,281) | (1,622,269)
Amount due from related parties | (6,739,322) | (1,318,195) | 5,481,362
Prepaid land use rights | 572,722 | 557,162 | 595,716
Other non-current assets |  |  | 161,657
Accounts payable | 2,304,987 | 2,386,015 | 1,452,811
Notes payable | 786,372 | (1,403,994) | (14,733,475)
Accrued expenses and other current liabilities | 6,983,599 | 260,879 | 59,045
Income tax payable | 7,253,601 | 4,420,313 | 940,732
Advances from customers | 8,342,112 | (134,155) | (2,051,000)
Amount due to related parties | 849,447 | 1,815,307 | 2,178,445
Deferred government subsidies | (671,011) | (338,733) | (124,842)
Net cash provided by operating activities | 142,704,394 | 98,671,937 | 66,426,213
Investing activities: |  |  |
Purchases of property, plant and equipment | (67,836,778) | (67,477,008) | (81,364,037)
Decrease in restricted cash | 4,791,347 | 1,935,536 | 2,121,603
Proceeds from disposition of Nanjing Daqo |  |  | 5,110,085
Purchase of cost method investment | (63,793) | (581,581) |
Net cash used in investing activities | (63,109,224) | (66,123,053) | (74,132,349)
Financing activities: |  |  |
Proceeds from related parties loans | 63,172,079 | 126,400,842 | 245,957,818
Repayment of related parties loans | (83,754,652) | (148,463,137) | (276,575,346)
Proceeds from bank borrowings | 91,989,400 | 106,986,666 | 237,031,976
Repayment of bank borrowings | (111,000,000) | (116,255,480) | (220,611,404)
Purchase and retirement of treasury shares |  |  | (1,350,164)
Proceeds from options exercised | 2,238,854 | 1,051,586 | 275,783
Proceeds from follow-on equity offering |  |  | 30,030,000
Insurance costs for follow-on equity offering |  |  | (2,033,041)
Capital injection from non-controlling shareholders |  |  | 2,516,457
Net cash provided by (used in) financing activities | (37,354,319) | (30,279,523) | 15,242,079
Effect of exchange rate changes on cash and cash equivalents | 2,448,276 | (771,894) | (114,415)
Net increase in cash and cash equivalents | 44,689,127 | 1,497,467 | 7,421,528
Cash and cash equivalents at the beginning of the year | 15,987,478 | 14,490,011 | 7,068,483
Cash and cash equivalents at the end of the year | 60,676,605 | 15,987,478 | 14,490,011
Supplemental disclosure of cash flow information: |  |  |
Interest paid, net of capitalized interest | 18,031,088 | 14,215,745 | 13,284,899
Income taxes paid | 9,526,485 | 2,998,658 | 2,726,825
Supplemental schedule of non-cash investing activities: |  |  |
Accrued purchases of property, plant and equipment | $ 27,251,832 | $ 65,625,603 | $ 52,786,103

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- References No definition available. + Details
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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- References No definition available. + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The cash outflow for cost incurred directly with the issuance of an equity security. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the purchase of all investments (debt, security, other) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash inflow from bank borrowing during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition This element represents the cash inflow during the period from the sale of a component of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=SL79508275-113901 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 + Details
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- Definition The cash outflow to settle a bank borrowing during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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