Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Mar. 31, 2021
Current assets:
Cash and cash equivalents	$ 28,166	$ 25,205
Restricted cash	240	263
Short-term investments	0	3,100
Trade accounts receivable, net of allowance for doubtful accounts of $1,339 and $1,019 at September 30, 2021 and March 31, 2021, respectively	21,749	19,020
Unbilled accounts receivable	10,263	11,541
Inventories	6,049	5,066
Prepaid expenses and other current assets	2,443	5,445
Total current assets	68,910	69,640
Property and equipment, net	1,827	1,923
Right-of-use assets	11,768	11,353
Intangible assets, net	13,042	14,297
Goodwill	28,340	28,340
Other assets	1,516	1,238
Noncurrent assets of discontinued operations	42	78
Total assets	125,445	126,869
Current liabilities:
Trade accounts payable	8,060	8,935
Accrued payroll and related expenses	10,700	11,734
Accrued liabilities	4,817	4,921
Deferred revenue	6,605	7,349
Current liabilities of discontinued operations	127	94
Total current liabilities	30,309	33,033
Lease liabilities	11,254	10,146
Deferred income taxes	465	808
Unrecognized tax benefits	102	119
Other long-term liabilities	2,558	3,523
Noncurrent liabilities of discontinued operations	219	261
Total liabilities	44,907	47,890
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, $1.00 par value: Authorized shares — 2,000 Issued and outstanding shares — none	0	0
Common stock, $0.10 par value: Authorized shares - 70,000 at September 30, 2021 and March 31, 2021 Issued and outstanding shares — 42,333 at September 30, 2021 and 41,687 at March 31, 2021	4,234	4,170
Additional paid-in capital	184,859	181,828
Accumulated deficit	(108,555)	(107,019)
Total stockholders' equity	80,538	78,979
Total liabilities and stockholders' equity	$ 125,445	$ 126,869