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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
Net cash provided by operating activities | $ 21,984,871 | $ 6,542,237
Cash flows from investing activities |  |
Purchase of certificate of deposit | (5,000,000) | 0
Additions to property, plant and equipment and construction in progress | (2,146,991) | (1,990,865)
Proceeds from sale of equipment | 11,400 | 5,760
Distribution of earnings from OC-BVI | 727,200 | 1,249,875
Collections on loans receivable | 868,991 | 898,531
Payment for investment in land | (17,432,858) | (2,975,566)
Restriction on cash balance | (515,849) | 0
Net cash used in investing activities | (23,488,107) | (2,812,265)
Cash flows from financing activities |  |
Dividends paid | (2,372,397) | (2,194,972)
Repurchase of redeemable preferred stock, net | (11,256) | (4,159)
Proceeds received from exercise of stock options | 0 | 302,807
Principal repayments of long term debt | (5,301,327) | (849,285)
Proceeds received from demand loan payable | 10,000,000 | 0
Net cash provided by (used in) financing activities | 2,315,020 | (2,745,609)
Effect of exchange rate changes on cash | (1,005) | (21,417)
Net increase in cash and cash equivalents | 810,779 | 962,946
Cash and cash equivalents at beginning of period | 33,626,516 | 33,892,655
Cash and cash equivalents at end of period | 34,437,295 | 34,855,601
Interest paid in cash | 110,603 | 202,734
Non-cash investing and financing activities |  |
Dividends declared but not paid | 1,105,527 | 1,101,181
Obligation incurred (paid) for investment in land | (10,050,000) | 10,050,000
Transfers from inventory to property, plant and equipment and construction in progress | 83,084 | 181,875
Common Stock [Member] |  |
Non-cash investing and financing activities |  |
Issuance of stock for services rendered | 173,458 | 82,369
Redeemable Preferred Stock [Member] |  |
Non-cash investing and financing activities |  |
Issuance of stock for services rendered | $ 65,289 | $ 110,249

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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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