Subsequent Events (Details)	1 Months Ended
Apr. 30, 2020
Subsequent Event [Member]
Subsequent events, description	The Company obtained a line of credit from Postal Savings Bank of China for an aggregate amount of RMB 10,000,000 (approximately $1.4 million), of which RMB 5,000,000 (approximately $0.7 million) have been advanced. The loan bears interest at a rate of 4.25% per annum. Advances on the line of credit are due two years from the date of the advance. A third party company has guaranteed the loan as being a second priority creditor in the collateral in certain land use rights and buildings next to the creditor of the construction loan facility as discussed in Note 8. In addition, the Company's Chief Executive Officer and Chair of the Board personally guaranteed the new line of credit. The Company has an additional RMB 5,000,000 (approximately $0.7 million) available under the line, subject to a risk review and approval by the third party guarantee company.

Subsequent Events (Details)

1 Months Ended

Apr. 30, 2020

The Company obtained a line of credit from Postal Savings Bank of China for an aggregate amount of RMB 10,000,000 (approximately $1.4 million), of which RMB 5,000,000 (approximately $0.7 million) have been advanced. The loan bears interest at a rate of 4.25% per annum. Advances on the line of credit are due two years from the date of the advance. A third party company has guaranteed the loan as being a second priority creditor in the collateral in certain land use rights and buildings next to the creditor of the construction loan facility as discussed in Note 8. In addition, the Company's Chief Executive Officer and Chair of the Board personally guaranteed the new line of credit. The Company has an additional RMB 5,000,000 (approximately $0.7 million) available under the line, subject to a risk review and approval by the third party guarantee company.