Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Mar. 31, 2019
Current Assets
Cash and cash equivalents	$ 150,243	$ 76,722
Accounts receivable, net of allowance for doubtful accounts of $15 and $77, respectively	83	444
Prepaid expenses and other current assets	2,011	1,180
Total current assets	152,337	78,346
Property and equipment, net	8,088	9,830
Right of use assets, net	6,841
Intangible assets	108,335	107,548
Capitalized patent costs, net		184
Equity method investment	40
Other assets	188	845
Total assets	275,829	196,753
Current liabilities
Accounts payable and accrued expenses	4,478	5,106
Restructuring reserve	1,179	2,758
Due to related parties	106	183
Operating lease liabilities	1,706
Deferred revenue	747	792
Total current liabilities	8,216	8,839
Noncurrent liabilities
Operating lease liabilities	7,442
Deferred revenue	2,915	3,466
Deferred income tax	1,279	685
Other liabilities	723	2,999
Total liabilities	20,575	15,989
Commitments and contingencies
Stockholders' equity
Preferred stock, $0.0001 par value per share, 10,000,000 shares authorized and no shares outstanding at December 31, 2019 and March 31, 2019
Common stock, $0.0001 par value per share, 100,000,000 shares authorized and 17,146,680 shares issued and outstanding at December 31, 2019 and 14,739,145 shares issued and outstanding at March 31, 2019	2	1
Additional paid-in capital	449,428	349,227
Accumulated deficit	(194,176)	(168,464)
Total stockholders' equity	255,254	180,764
Total liabilities and stockholders' equity	$ 275,829	$ 196,753