Quarterly report pursuant to Section 13 or 15(d)

Nature of Operations, Corporate History, and Going Concern and Management Plans - Additional Information (Detail)

v3.22.2.2
Nature of Operations, Corporate History, and Going Concern and Management Plans - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Jun. 30, 2022
Common stock, par value $ 0.001   $ 0.001
Net loss $ (4,596) $ (5,966)  
Negative cash flow from operations (6,369) $ (5,073)  
Cash and cash equivalents 7,085   $ 11,780
Accumulated deficit $ (141,316)   $ (136,356)
Substantial Doubt about Companys Ability to Continues Going Concern Period 1 year    
Maximum [Member]      
Net proceeds available under the stock purchase agreement $ 1,908