Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Current assets:
Cash and cash equivalents	$ 14,217	$ 7,071
Restricted cash	146
Short-term investments	11,556	1,935
Trade accounts receivable, net of allowance for doubtful accounts of $802 and $539 at March 31, 2020 and 2019, respectively	17,569	16,929
Unbilled accounts receivable	10,352	6,487
Inventories	3,040	2,916
Prepaid expenses and other current assets	2,149	1,367
Total current assets	59,029	36,705
Property and equipment, net	1,942	1,965
Right-of-use assets	13,044
Intangible assets, net	6,137	3,286
Goodwill	20,590	15,150
Other assets	1,215	849
Total assets	101,957	57,955
Current liabilities:
Trade accounts payable	8,355	9,441
Accrued payroll and related expenses	8,441	6,536
Accrued liabilities	3,756	2,370
Deferred revenue	5,963	4,883
Total current liabilities	26,515	23,230
Deferred rent		455
Lease liabilities	11,995
Deferred income taxes	190	65
Unrecognized tax benefits	130	150
Total liabilities	38,830	23,900
Commitments and contingencies (Note 6)
Stockholders' equity:
Preferred stock, $1.00 par value: Authorized shares-2,000 Issued and outstanding shares-none
Common stock, $0.10 par value: Authorized shares-70,000 at March 31, 2020 and March 31, 2019 Issued and outstanding shares-40,713 at March 31, 2020 and 33,377 at March 31, 2019	4,071	3,338
Additional paid-in capital	176,209	142,260
Accumulated deficit	(117,153)	(111,543)
Total stockholders' equity	63,127	34,055
Total liabilities and stockholders' equity	$ 101,957	$ 57,955