Annual report pursuant to Section 13 and 15(d)

14. Stockholders' Equity (Details Narrative)

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14. Stockholders' Equity (Details Narrative) - USD ($)
3 Months Ended 4 Months Ended 5 Months Ended 6 Months Ended 8 Months Ended 9 Months Ended 11 Months Ended 12 Months Ended
Jul. 12, 2018
Jul. 31, 2018
Jul. 27, 2017
Nov. 30, 2019
Aug. 22, 2017
Oct. 04, 2018
Nov. 26, 2019
Nov. 21, 2018
Dec. 01, 2017
Jan. 02, 2018
Mar. 02, 2018
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Nov. 29, 2019
Jun. 19, 2019
Jun. 18, 2019
Common stock outstanding                       1,777,483 1,316,335     1,328,891 11,972,328
Proceeds from sale of stock, net                       $ 0 $ 4,743,000        
Issuance of common stock for services, amount                         59,000        
Stock-based compensation                       $ 839,000 1,635,000        
Benchmark Securities [Member]                                  
Issuance of common stock for services, shares   765                              
Stock price   $ 19.62                              
Stock-based compensation                         15,000        
Actual, Inc. [Member]                                  
Issuance of common stock for services, shares 1,971   285   343       609 526              
Stock price $ 22.32   $ 60.66   $ 49.77       $ 45.18 $ 52.29              
Issuance of common stock for services, amount         $ 35,000                        
Stock-based compensation                         $ 44,000 $ 90,000      
Public Offering [Member]                                  
Stock issued new, shares issued       446,577                          
Proceeds from sale of stock, gross               $ 5,530,000                  
Proceeds from sale of stock, net               $ 4,743,000                  
Preferred stock converted               8                  
Common stock issued upon conversion               90,000                  
Stock price                             $ 3.50    
Public Offering [Member] | Dawson James Securities, Inc. [Member]                                  
Payment of stock issuance costs               $ 167,500                  
Public Offering [Member] | Benchmark Securities [Member]                                  
Payment of stock issuance costs               $ 74,000                  
Public Offering [Member] | Common Stock [Member]                                  
Stock issued new, shares issued               507,156                  
Public Offering [Member] | Series C Preferred Stock [Member]                                  
Stock issued new, shares issued               10                  
Public Offering [Member] | Warrants [Member]                                  
Stock issued new, shares issued               307,188                  
Public Offering [Member] | Warrants [Member] | Dawson James Securities, Inc. [Member]                                  
Stock issued new, shares issued               7,639                  
Warrants maturity date               Nov. 16, 2023                  
Warrants exercise price               $ 9.00                  
Registered Direct Offering [Member] | Units [Member] | Dawson James Securities, Inc. [Member]                                  
Stock issued new, shares issued                     46,000            
At Market Issuance Sales Agr [Member]                                  
Stock issued new, shares issued           12,556             29,710        
Proceeds from sale of stock, gross                         $ 999,000        
Proceeds from sale of stock, net                         $ 957,000        
Stock price           $ 21.51                      
At Market Issuance Sales Agr [Member] | Common Stock [Member]                                  
Stock issued new, shares issued           12,556                      
Proceeds from sale of stock, net           $ 262,000                      
Stock price           $ 21.51                      
Private Placement [Member]                                  
Stock issued new, shares issued             446,577                    
Proceeds from sale of stock, gross             $ 1,563,000                    
Proceeds from sale of stock, net             $ 1,376,000                    
Stock price             $ 3.50