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) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 25, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]            
Unrealized Loss on Securities     $ 67,000 $ 78,000    
Increase In Fair Value Of Investment Securities     164,000      
Inventory Adjustments $ 87,000   $ 87,000     $ 167,000
Estimated useful lives description     ranges of estimated asset lives: building and improvements – ten to thirty-nine years; machinery and equipment including lab equipment – three to seven years; computer equipment and software – three to five years; and furniture and fixtures – five years      
Cash and Cash Equivalents, at Carrying Value 17,677,000   $ 17,677,000     6,816,000
Cash 17,900,000   17,900,000      
Cash, FDIC Insured Amount 500,000   500,000      
Cash, Uninsured Amount 17,400,000   17,400,000      
Revenue from Contract with Customer, Excluding Assessed Tax 9,142,000 $ 3,623,000 24,413,000 5,511,000    
Estimated sales returns, continuing operation 321,000   321,000     291,000
Contract with Customer, Liability 233,000   233,000     331,000
Share-based Payment Arrangement, Noncash Expense 1,076,000 198,000 1,504,000 396,000    
Research and Development Expense 93,000 65,000 208,000 124,000    
Cooperative Incentive Promotion Costs [Member]            
Property, Plant and Equipment [Line Items]            
Estimated sales returns, continuing operation 214,000   214,000     $ 463,000
Advertising and incentive promotion expenses, continuing operation 111,000 49,000 279,000 96,000    
Consumer Products [Member]            
Property, Plant and Equipment [Line Items]            
Revenue from Contract with Customer, Excluding Assessed Tax 1,605,000 3,623,000 4,139,000 5,511,000    
Diagnostic Services [Member]            
Property, Plant and Equipment [Line Items]            
Revenue from Contract with Customer, Excluding Assessed Tax $ 7,537,000 $ 20,274,000    
Investment Shares [Member]            
Property, Plant and Equipment [Line Items]            
Investment Owned, Balance, Shares         1,260,619  
Investment Owned, at Fair Value         $ 315,000  
Share Price         $ 0.38  
Marketable Securities [Member] | Minimum [Member]            
Property, Plant and Equipment [Line Items]            
Debt Instrument, Interest Rate During Period     0.94%      
Marketable Securities [Member] | Maximum [Member]            
Property, Plant and Equipment [Line Items]            
Debt Instrument, Interest Rate During Period     3.35%