CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Mar. 31, 2018
Current Assets:
Cash and cash equivalents	$ 23,359	$ 25,096
Short term investments	15,006	16,000
Accounts receivable, net	1,088	1,884
Royalty receivable	113	63
Due from affiliates	8
Inventory	3,190	3,164
Prepaid purchases	1,215	360
Prepaid expenses and other current assets	603	497
Total Current Assets	44,582	47,064
Property, plant, and equipment, net	9	14
Deferred tax assets, net	450	528
Other assets	158	151
Total Non-current Assets	617	693
Total Assets	45,199	47,757
Current Liabilities:
Accounts payable and other current liabilities	717	803
Income tax payable, current portion	250	250
Deferred revenue		50
Total Current Liabilities	967	1,103
Non-Current Liabilities:
Income tax payable	2,621	2,871
Total Non-current Liabilities	2,621	2,871
Total Liabilities	3,588	3,974
Shareholders’ Equity:
Series A Preferred shares — 10,000,000 shares authorized; 3,677 shares issued and outstanding; liquidation preference of $3,677,000	3,310	3,310
Common shares — $0.01 par value, 75,000,000 shares authorized; 52,965,797 shares issued at September 30, 2018 and March 31, 2018, respectively; 22,309,977 and 22,799,088 shares outstanding at September 30, 2018 and March 31, 2018, respectively	529	529
Additional paid-in capital	79,792	79,792
Accumulated deficit	(10,710)	(9,265)
Treasury stock, at cost (30,655,820 and 30,166,709 shares at September 30, 2018 and March 31, 2018, respectively)	(31,310)	(30,583)
Total Shareholders’ Equity	41,611	43,783
Total Liabilities and Shareholders’ Equity	$ 45,199	$ 47,757