XML 45 R30.htm IDEA: XBRL DOCUMENT v3.21.4
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 10) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Cash and cash equivalent $ 595,390 $ 326,713 $ 0
Working capital (excluding cash and cash equivalents)   1,899,674 489,870
Total working capital   $ 2,226,387 $ 489,870