RELATED PARTY TRANSACTIONS (Details Textual)	Dec. 31, 2020 reload upgrade install
Related Party Transaction [Line Items]
Number of Cobalt-60 reloads | reload	3
Number of Perfexion upgrades | upgrade	1
Number of Leksell Gamma Knife Icon System installs | install	4
GKF Subsidiary
Related Party Transaction [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	81.00%
U.S. Subsidiary Of Elekta
Related Party Transaction [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	19.00%