Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Narrative)

v3.21.2
Summary of Significant Accounting Policies (Details Narrative)
3 Months Ended 9 Months Ended
Apr. 22, 2021
USD ($)
Apr. 22, 2021
CNY (¥)
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Sep. 23, 2020
ft²
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Accounts Receivable, Allowance for Credit Loss, Current     $ 112,000   $ 112,000   $ 157,000  
Incremental Direct Costs.     33,000 $ 26,000 102,000 $ 78,000    
Depreciation     6,000 18,000 24,000 69,000    
Area of Land | ft²               4,902
Lessor, Operating Lease, Term of Contract               84 months
Sale of Stock, Consideration Received Per Transaction | ¥   ¥ 1,884,106,415            
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent     11,000 29,000 72,000 157,000    
Disposal Group, Including Discontinued Operation, Assets, Current     4,600   4,600   6,898  
Disposal Group, Including Discontinued Operation, Assets, Noncurrent     197,620   197,620   3,085,178  
Disposal Group, Including Discontinued Operation, Liabilities, Current     407,374   407,374   $ 375,276  
Marketing and Advertising Expense     198,000 $ 174,000 608,000 $ 511,000    
Income Tax Examination, Penalties and Interest Accrued     $ 0   $ 0      
PDN China Account [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Sale of Stock, Consideration Received Per Transaction $ 2,900,000