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Cash, Cash Equivalents and Short-Term Investments | 12 Months Ended
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Dec. 31, 2017
Cash, Cash Equivalents and Short-Term Investments [Abstract] |
CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS |
3. | CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS
Cash, cash equivalents and short-term investments (at amortized cost plus accrued interest) consisted of the following:
|  | As of December 31, 2017 |  |  | As of December 31, 2016 |
Cash and cash equivalents |  | $ | 3,798,811 |  |  | $ | 5,150,344 |
Short-term investments |  |  | - |  |  |  | 5,474,013 |
Total |  | $ | 3,798,811 |  |  | $ | 10,624,357 |
Held to maturity securities (certificates of deposit) are carried at amortized cost. Short-term investments were liquidated during 2017 to finance the investment in our Nisin production facility. The cost of securities sold is determined based on the specific identification method. Realized gains and losses, and declines in value judged to be other than temporary, are included in investment income. The fair value of held to maturity securities consisted of the following:
|  | As of December 31, 2017 |  |  | As of December 31, 2016 |
Amortized cost |  | $ | - |  |  | $ | 5,450,000 |
Accrued interest |  |  | - |  |  |  | 24,013 |
Gross unrealized gains |  |  | - |  |  |  | 2,073 |
Gross unrealized losses |  |  | - |  |  |  | (59 | )
Estimated fair value |  | $ | - |  |  | $ | 5,476,027 |

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- Definition The entire disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 305 -URI http://asc.fasb.org/topic&trid=2122426 + Details
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