XML 49 R39.htm IDEA: XBRL DOCUMENT v3.21.2
Equity Method Investments- Textuals (Details) - USD ($)
shares in Millions
3 Months Ended 6 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Mar. 31, 2021
Schedule of Equity Method Investments          
Equity method investments $ 5,657,000   $ 5,657,000   $ 4,475,000
Loss from equity method investments $ (14,000) $ 498,000 $ (97,000) $ 1,056,000  
Insignia          
Schedule of Equity Method Investments          
Number of shares held (in shares) 0.5   0.5    
Ownership percentage 28.00%   28.00%    
Equity method investments $ 0   $ 0    
Loss from equity method investments     $ 0    
Cadillac Castings, Inc          
Schedule of Equity Method Investments          
Ownership percentage 18.98%   18.98%    
Equity method investments $ 3,200,000   $ 3,200,000    
Loss from equity method investments 300,000   500,000    
Difference between carrying amount and underlying equity 300,000   300,000    
Investment realized gain (loss) on disposal $ (25,000)   $ (13,000)