STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total		Common Stock, Shares	Common Stock, Additional Paid-in Capital	Treasury Stock	Retained Earnings (Deficit)
Shareholders' equity, beginning of period at Mar. 31, 2020	$ 31,035			$ 156,503	$ (36,163)	$ (89,305)
Shareholders' equity, beginning of period (Shares) at Mar. 31, 2020			30,265,997
Exercise of stock options for cash	229			229
Exercise of stock options for cash (shares)			99,000
Shares issued under Employee Stock Purchase Plan	7				7
Shares issued under Employee Stock Purchase Plan (shares)			1,146
Stock-based compensation	753			753
Stock-based compensation (shares)			450,481
Employee tax withholdings on stock-based compensation	(84)				(84)
Employee tax withholdings on stock-based compensation (shares)			(11,324)
Net income (dollars in thousands)	26,134					26,134
Shareholders' equity, end of period at Mar. 31, 2021	58,074			157,485	(36,240)	(63,171)
Shareholders' equity, at end of period (shares) at Mar. 31, 2021			30,805,300
Exercise of stock options for cash	121			121
Exercise of stock options for cash (shares)			31,845
Shares issued under Employee Stock Purchase Plan	6				6
Shares issued under Employee Stock Purchase Plan (shares)			1,617
Stock-based compensation	813			813
Stock-based compensation (shares)			260,014
Employee tax withholdings on stock-based compensation	(5)				(5)
Employee tax withholdings on stock-based compensation (shares)			(904)
Net income (dollars in thousands)	6,091					6,091
Shareholders' equity, end of period at Mar. 31, 2022	$ 65,100			158,419	(36,239)	(57,080)
Shareholders' equity, at end of period (shares) at Mar. 31, 2022			31,097,872
Common Stock, Shares, Outstanding, Beginning Balance at Mar. 31, 2022	31,097,872
Issuance of common stock for acquisition	$ 800			800
Issuance of common stock for acquisition, share			620,067
Issuance of stock and shares for services	22			22
Issuance of stock and shares for services (shares)			12,848
Exercise of stock options for cash	54			54
Exercise of stock options for cash (shares)			26,646
Shares issued under Employee Stock Purchase Plan	4				4
Shares issued under Employee Stock Purchase Plan (shares)			2,274
Stock-based compensation	1,612			1,612
Stock-based compensation (shares)			536,622
Employee tax withholdings on stock-based compensation	(2)				(2)
Employee tax withholdings on stock-based compensation (shares)			(921)
Net income (dollars in thousands)	(34,341)	[1]				(34,341)
Shareholders' equity, end of period at Mar. 31, 2023	$ 33,249			$ 160,907	$ (36,237)	$ (91,421)
Shareholders' equity, at end of period (shares) at Mar. 31, 2023			32,295,408

[1] Includes $17.8 million of tax expense related to the booking of the valuation allowance on deferred tax assets during the three months ended December 31, 2022.