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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
Cash flows from operating activities |  |
Net income | $ 1,375,845 | $ 1,517,063
Adjustments to reconcile net income to net cash (used in) operating activities |  |
Stock-based compensation expense | 349,576 | 43,737
Depreciation and amortization | 301,341 | 300,840
Change in fair value of warrants liability | (1,527,835) | 4,413
Provision for doubtful accounts | 18,481 | 27,224
Provision for inventory obsolescence | 77,096 | 0
Changes in assets and liabilities: |  |
Increase in accounts receivable | (36,590) | (812,221)
Decrease (Increase) in prepayments and other current assets | 3,156,478 | (3,268,571)
(Increase) Decrease in other receivables | (1,567,908) | 215,084
Increase in inventories | (1,986,022) | (18,953)
Increase in tax receivable | (313,171) | (3,839)
Increase in accounts payable | 117,009 | 840
Increase in advances from customers | 61,740 | 95,181
(Decrease) Increase in accrued expenses and other current liabilities | (42,641) | 285,657
Increase in taxes payable | 393,525 | 538,466
Net cash provided by (used in) operating activities | 376,924 | (1,075,079)
Cash flows from investing activities |  |
Capital expenditures including deposits for property, plant and equipment | (4,726,762) | (1,115,276)
Net cash used in investing activities | (4,726,762) | (1,115,276)
Cash flows from financing activities |  |
Proceeds from bank loan | 2,944,000 | 2,413,250
Repayment of bank loan | (2,948,700) | (2,410,176)
Net proceeds from issuance of common stock | 6,066,546 | 0
Net cash provided by financing activities | 6,061,846 | 3,074
Effect of exchange rate fluctuations on cash and cash equivalents | (28,817) | 25,197
Net Increase (decrease) in cash and cash equivalents | 1,683,191 | (2,162,084)
Cash and cash equivalents at beginning of period | 2,592,945 | 3,505,330
Cash and cash equivalents at end of period | 4,276,136 | 1,343,246
Supplemental cash flow information |  |
Income tax paid | 69,769 | 231,371
Interest paid | 83,130 | 76,187
Uncollected option exercise proceeds recorded as other receivables and other receivables-related party | $ 110,200 |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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