Consolidated Balance Sheet Parenthetical (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2019	Mar. 31, 2019
Allowance for doubtful accounts	$ 3,822	$ 3,646
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	52,460,920	52,460,920
Common Stock, Shares, Outstanding	51,829,774	49,887,268
Treasury Stock, Shares	631,146	2,573,652