Bank Loans and Line of Credit	12 Months Ended
Dec. 31, 2020
Bank Loans and Line of Credit
Bank Loans and Line of Credit	Note 8. Bank Loans and Line of Credit 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, 2019, no loans or letters of credit were outstanding under the Credit Agreement. Effective February 5, 2020, the Company amended the Credit Agreement. The line of credit was reduced from $10 million to $7 million. The commitments under the First Amendment To Credit Agreement expired on November 30, 2020, no loans or letters of credit were outstanding under the Credit Agreement at December 31, 2020. On August 9, 2019, Tongmei entered into a credit facility with the Bank of China with a $5.8 million line of credit at an annual interest rate of approximately 0.4% over the average interest rate quoted by the National Interbank Funding Center. Accrued interest is calculated monthly and paid quarterly. The annual interest rate was approximately 4.7% as of December 31, 2019. The credit facility is collateralized by Baoding Tongmei’s land use rights and all of its buildings located at its facility in Dingxing. The primary intended use of the credit facility is for general purposes, which may include working capital and other corporate expenses. On August 9, 2019, we borrowed $2.8 million against the credit facility. The repayment of the full amount was due on August 9, 2020. On September 12, 2019, we borrowed an additional $2.8 million against the credit facility. The repayment of the full amount was due on September 12, 2020. In August 2020, Tongmei repaid the full amount of the credit facility including all outstanding accrued interest of approximately $5.9 million and simultaneously applied to renew the credit facility. The process of repaying a loan and then renewing the loan is customary in China. In September 2020, the August 2019 borrowing was renewed and funded against the credit facility with an interest rate of 3.85%. The interest owed during the term of the loan was deducted prior to funding. The repayment of the loan is due on March 22, 2021, however the credit facility contains an option to renew for an additional six months. In October 2020, the September 2019 borrowing was renewed and funded against the credit facility and an additional $2.7 million was approved and funded against the credit facility with the annual interest rate of 4.7%. Accrued interest is calculated monthly and paid quarterly. The combined loan totals $5.6 million. The repayment of the $5.6 million is due on April 8, 2021, however, the credit facility contains an option to renew for an additional six months. As of December 31, 2020, $8.9 million was included in “Bank loan” in our consolidated balance sheets. In February 2020, our consolidated subsidiary, BoYu, entered into a credit facility with the Industrial and Commercial Bank of China (“ICBC”) with a $1.4 million line of credit at an annual interest rate of approximately 0.15% over the loan prime rate. Accrued interest is calculated monthly and paid quarterly. The annual interest rate was approximately 4.3% as of December 31, 2020. The credit facility is collateralized by BoYu’s land use rights and its building located at its facility in Tianjin, China and BoYu’s accounts receivable. The primary intended use of the credit facility is for general purposes, which may include working capital and other corporate expenses. In March 2020, BoYu borrowed $0.4 million against the credit facility. The repayment of the full amount is due in March 2021. In December 2020, BoYu borrowed an additional $1.1 million against the credit facility. As of December 31, 2020, $1.5 million was included in “Bank loan” in our consolidated balance sheets.

Bank Loans and Line of Credit

12 Months Ended

Dec. 31, 2020

Note 8. Bank Loans and Line of Credit

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, 2019, no loans or letters of credit were outstanding under the Credit Agreement. Effective February 5, 2020, the Company amended the Credit Agreement. The line of credit was reduced from $10 million to $7 million. The commitments under the First Amendment To Credit Agreement expired on November 30, 2020, no loans or letters of credit were outstanding under the Credit Agreement at December 31, 2020.

On August 9, 2019, Tongmei entered into a credit facility with the Bank of China with a $5.8 million line of credit at an annual interest rate of approximately 0.4% over the average interest rate quoted by the National Interbank Funding Center. Accrued interest is calculated monthly and paid quarterly. The annual interest rate was approximately 4.7% as of December 31, 2019. The credit facility is collateralized by Baoding Tongmei’s land use rights and all of its buildings located at its facility in Dingxing. The primary intended use of the credit facility is for general purposes, which may include working capital and other corporate expenses.

On August 9, 2019, we borrowed $2.8 million against the credit facility. The repayment of the full amount was due on August 9, 2020. On September 12, 2019, we borrowed an additional $2.8 million against the credit facility. The repayment of the full amount was due on September 12, 2020. In August 2020, Tongmei repaid the full amount of the credit facility including all outstanding accrued interest of approximately $5.9 million and simultaneously applied to renew the credit facility. The process of repaying a loan and then renewing the loan is customary in China.

In September 2020, the August 2019 borrowing was renewed and funded against the credit facility with an interest rate of 3.85%. The interest owed during the term of the loan was deducted prior to funding. The repayment of the loan is due on March 22, 2021, however the credit facility contains an option to renew for an additional six months.

In October 2020, the September 2019 borrowing was renewed and funded against the credit facility and an additional $2.7 million was approved and funded against the credit facility with the annual interest rate of 4.7%. Accrued interest is calculated monthly and paid quarterly. The combined loan totals $5.6 million. The repayment of the $5.6 million is due on April 8, 2021, however, the credit facility contains an option to renew for an additional six months. As of December 31, 2020, $8.9 million was included in “Bank loan” in our consolidated balance sheets.

In February 2020, our consolidated subsidiary, BoYu, entered into a credit facility with the Industrial and Commercial Bank of China (“ICBC”) with a $1.4 million line of credit at an annual interest rate of approximately 0.15% over the loan prime rate. Accrued interest is calculated monthly and paid quarterly. The annual interest rate was approximately 4.3% as of December 31, 2020. The credit facility is collateralized by BoYu’s land use rights and its building located at its facility in Tianjin, China and BoYu’s accounts receivable. The primary intended use of the credit facility is for general purposes, which may include working capital and other corporate expenses.

In March 2020, BoYu borrowed $0.4 million against the credit facility. The repayment of the full amount is due in March 2021. In December 2020, BoYu borrowed an additional $1.1 million against the credit facility. As of December 31, 2020, $1.5 million was included in “Bank loan” in our consolidated balance sheets.