CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Mar. 31, 2022
Current assets:
Cash and cash equivalents	$ 25,698	$ 5,210
Restricted cash	223	283
Accounts receivable, net of allowance for doubtful accounts of $195 and $422	61,309	69,354
Manufacturing inventories	23,671	33,546
Service parts inventories	25,458	24,254
Prepaid expenses	9,241	7,853
Other current assets	4,839	4,697
Total current assets	150,439	145,197
Property and equipment, net	15,973	12,853
Intangible assets, net	7,245	9,584
Goodwill	12,969	12,969
Right-of-use assets, net	10,579	11,107
Other long-term assets	12,477	9,925
Total assets	209,682	201,635
Current liabilities:
Accounts payable	34,263	34,220
Deferred revenue	70,184	86,517
Long-term debt, current portion	5,000	4,375
Accrued compensation	13,192	16,141
Other accrued liabilities	14,502	16,562
Total current liabilities	137,141	157,815
Deferred revenue	40,165	41,580
Revolving credit facility	21,500	17,735
Long-term debt, net of current portion	68,250	89,448
Operating lease liabilities	10,315	9,891
Other long-term liabilities	11,653	11,849
Total liabilities	289,024	328,318
Commitments and contingencies (Note 9)
Stockholders' deficit
Preferred stock, 20,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.01 par value; 225,000 shares authorized; 92,158 and 60,433 shares issued and outstanding	922	605
Additional paid-in capital	716,800	645,038
Accumulated deficit	(793,067)	(770,903)
Accumulated other comprehensive loss	(3,997)	(1,423)
Total stockholders’ deficit	(79,342)	(126,683)
Total liabilities and stockholders’ deficit	$ 209,682	$ 201,635