Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 31, 2017
Current assets:
Cash and cash equivalents	$ 10,152	$ 18,201
Short-term investments	5,319
Trade accounts receivable, net of allowance for doubtful accounts of $333 and $389 at March 31, 2018 and March 31, 2017, respectively	12,866	14,299
Unbilled accounts receivable	7,473	6,456
Inventories	2,921	2,250
Prepaid expenses and other current assets	1,165	2,108
Total current assets	39,896	43,314
Property and equipment, net	2,333	2,064
Intangible assets, net	3,751	1,498
Goodwill	15,150	15,150
Other assets	1,756	319
Total assets	62,886	62,345
Current liabilities:
Trade accounts payable	7,838	7,886
Accrued payroll and related expenses	7,398	6,443
Accrued liabilities	2,358	2,201
Deferred revenue	4,900	4,049
Total current liabilities	22,494	20,579
Deferred rent	638	649
Deferred income taxes	65	707
Unrecognized tax benefits	168	186
Total liabilities	23,365	22,121
Commitments and contingencies (Note 9)
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, 2018 and March 31, 2017 Issued and outstanding shares - 33,186 at March 31, 2018 and 32,488 at March 31, 2017	3,318	3,249
Additional paid-in capital	139,722	136,968
Accumulated deficit	(103,519)	(99,993)
Total stockholders' equity	39,521	40,224
Total liabilities and stockholders' equity	$ 62,886	$ 62,345