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Bank Loans and Line of Credit	12 Months Ended
	Dec. 31, 2018
Bank Loans and Line of Credit
Bank Loans and Line of Credit	Note 8. Bank Loans and Line of Credit In September 2018, Tongmei entered into a credit facility with Industrial and Commercial Bank of China (“ICBC”) in China with a $2.9 million line of credit at an annual interest rate of approximately 0.04% over the current Loan Prime Rate published by ICBC. Accrued interest is calculated and paid monthly. The annual interest rate was approximately 4.4%. This credit line is secured by Tongmei’s land-use right and all of its buildings located at its facility in Beijing. The primary intended use of the credit facility is for general purposes, which may include working capital, capital expenditures and other corporate expenses. In September 2018, we borrowed $291,000 against this credit line. The repayment of the full amount is due in September 2019. On December 26, 2018, we repaid the principal of $291,000 and interest of $3,000 of this loan to the bank. This credit line was terminated in December 2018, after we repaid both principal and interest to ICBC. We have decided to terminate this loan because we were able to secure a larger bank loan in the U.S. and our management believed that to secure bank loans from the two new manufacturing sites have more strategic advantages as compared to have one single loan from Beijing. On November 6, 2018, the Company entered into the Credit Agreement, which established a $10 million secured revolving line of credit with a $1.0 million letter of credit sublimit facility. The revolving credit facility is collateralized by substantially all of the assets of the Company located within the United States, subject to certain exceptions. The commitments under the Credit Agreement expire on November 30, 2020 and any loans thereunder will bear interest at a rate based on the daily one-month LIBOR for the applicable interest period plus a margin of 2%.  As of December 31, 2018, no loans or letters of credit were outstanding under the Credit Agreement.

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- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-URI http://asc.fasb.org/topic&trid=2208564

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