CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash Flows from Operating Activities:
Net (loss)	$ (2,711)	$ (3,026)
Adjustments to reconcile net loss to net cash (used) by operating activities:
Loan forgiveness from Paycheck Protection Program	(207)
Amortization of right-of-use assets	164	171
Depreciation and amortization		2
Asset allowances and reserves	149	13
Changes in assets and liabilities:
Accounts receivable	(2,077)	(994)
Inventory	(613)	42
Prepaid purchases	74	(259)
Prepaid expenses and other current assets	(94)	(57)
Other assets	4
Accounts payable and other current liabilities	354	336
Right of use assets-operating	(403)
Short term lease liabilities	73	(50)
Long term lease liabilities	161	(130)
Due to affiliate		1
Income taxes payable	(223)	(197)
Deferred revenue	(195)	80
Net cash (used) by operating activities	(5,544)	(4,068)
Cash Flows From Investing Activities:
Proceeds from sale of short-term investments	25,045	28,101
Additions to property and equipment	(2)
Net cash provided by investing activities	25,043	28,101
Cash Flows from Financing Activities:
Proceeds from Paycheck Protection Program loan		204
Net cash provided by financing activities		204
Net increase in cash and cash equivalents	19,499	24,237
Cash and cash equivalents at beginning of the year	5,245	6,276
Cash and cash equivalents at end of the year	24,744	30,513
Cash paid for:
Interest	8	6
Income taxes	$ 222	$ 197