CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Mar. 31, 2018
Current Assets:
Cash and cash equivalents	$ 23,257	$ 25,096
Short term investments	17,085	16,000
Accounts receivable, net	956	1,884
Royalty receivable	63	63
Inventory	3,843	3,164
Prepaid purchases	205	360
Prepaid expenses and other current assets	484	497
Total Current Assets	45,893	47,064
Property, plant, and equipment, net	11	14
Deferred tax assets, net	485	528
Other assets	158	151
Total Non-current Assets	654	693
Total Assets	46,547	47,757
Current Liabilities:
Accounts payable and other current liabilities	873	803
Income tax payable, current portion	250	250
Deferred revenue		50
Total Current Liabilities	1,123	1,103
Non-Current Liabilities:
Income tax payable	2,871	2,871
Total Non-current Liabilities	2,871	2,871
Total Liabilities	3,994	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 June 30, 2018 and March 31, 2018, respectively; 22,543,626 and 22,799,088 shares outstanding at June 30, 2018 and March 31, 2018, respectively	529	529
Additional paid-in capital	79,792	79,792
Accumulated deficit	(10,115)	(9,265)
Treasury stock, at cost (30,422,171 and 30,166,709 shares at June 30, 2018 and March 31, 2018, respectively)	(30,963)	(30,583)
Total Shareholders’ Equity	42,553	43,783
Total Liabilities and Shareholders’ Equity	$ 46,547	$ 47,757