Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v3.19.3
Basis of Presentation (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Oct. 29, 2019
Jul. 12, 2018
Jun. 26, 2018
Nov. 30, 2017
Nov. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Jun. 20, 2018
Basis of Presentation [Line Items]                    
Accumulated deficit           $ (110,284,000)   $ (105,821,000)    
Net Cash Used in Operating Activities           (2,287,000) $ (778,000)      
Cash           2,103,000 8,164,000 4,421,000 $ 8,088,000  
Net proceeds from underwritten public offering $ 4,515,000                  
Stock Issued During Period, Shares, New Issues     4,350,000 2,250,000            
Stock Issued During Period, Value, New Issues     $ 16,000,000 $ 4,500,000            
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest           (4,464,000) (4,399,000)      
Shares Issued, Price Per Share       $ 2.00            
Contract liabilities           2,894,000   1,279,000    
Contract with Customer, Liability             $ 2,900,000      
Contract with Customer, Liability, Revenue Recognized           47,205   $ 1,800,000    
Proceeds from Contributed Capital         $ 2,459,000          
Conversion of Series C Preferred Stock into common stock, conversion price per share $ 0.20                  
Master Manufacturing Services and Supply Agreement ("MSA") | Lung Bio                    
Basis of Presentation [Line Items]                    
Advance received           1,600,000        
Purchase of capital expenditure           1,000,000        
Related contracted services           620,000        
Contract liabilities           1,600,000        
Contract with Customer, Liability, Revenue Recognized           46,000        
Over-Allotment Option [Member]                    
Basis of Presentation [Line Items]                    
Proceeds from Issuance of Common Stock   $ 1,350,000                
Stock Issued During Period, Shares, New Issues   1,500,000                
Stock Issued During Period, Value, New Issues   $ 1,350,000                
Shares Issued, Price Per Share   $ 0.90                
Common Stock [Member]                    
Basis of Presentation [Line Items]                    
Stock Issued During Period, Shares, New Issues     4,350,000              
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest           $ 0        
Shares Issued, Price Per Share     $ 0.90             $ 0.90
Series A Preferred Stock [Member]                    
Basis of Presentation [Line Items]                    
Stock Issued During Period, Shares, New Issues     6,300              
Preferred Stock, Par or Stated Value Per Share     $ 1,000             0.001
Convertible Preferred Stock, Shares Issued upon Conversion     7,000,000              
Convertible Preferred Stock Conversion Price     $ 0.90              
Conversion of Series C Preferred Stock into common stock, conversion price per share           $ 0.20        
Preferred stock, par value (in dollars per share)     $ 1,000             0.001
Series B Preferred Stock [Member]                    
Basis of Presentation [Line Items]                    
Stock Issued During Period, Shares, New Issues     5,785              
Shares Issued, Price Per Share $ 0.20   $ 0.90             0.90
Preferred Stock, Par or Stated Value Per Share     $ 1,000             0.001
Convertible Preferred Stock, Shares Issued upon Conversion     6,427,778              
Conversion of Series C Preferred Stock into common stock, conversion price per share           $ 0.20        
Preferred stock, par value (in dollars per share)     $ 1,000             $ 0.001
Subsequent Event [Member]                    
Basis of Presentation [Line Items]                    
Proceeds from Issuance of Common Stock $ 4,520,000                  
Subsequent Event [Member] | Underwritten Public Offering [Member]                    
Basis of Presentation [Line Items]                    
Proceeds from Issuance of Common Stock $ 5,000,000                  
Subsequent Event [Member] | Common Stock [Member]                    
Basis of Presentation [Line Items]                    
Stock Issued During Period, Shares, New Issues 2,450,000                  
Shares Issued, Price Per Share $ 0.001