Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	May 31, 2020	Mar. 01, 2020
Current assets
Cash and cash equivalents	$ 8,405	$ 5,410	[1]
Marketable securities (Note 3)	112,665	116,945	[1]
Accounts receivable, less allowance for doubtful accounts of $77 and $73, respectively	6,590	10,925	[1]
Inventories (Note 4)	6,680	6,379	[1]
Prepaid expenses and other current assets	5,243	5,535	[1]
Total current assets	139,583	145,194	[1]
Property, plant and equipment, net	18,364	16,100	[1]
Operating right-of-use assets	387	420	[1]
Goodwill and other intangible assets	9,804	9,804	[1]
Other assets	264	268	[1]
Total assets	168,402	171,786	[1]
Current liabilities
Accounts payable	2,487	4,735	[1]
Operating lease liability (Note 5)	142	152	[1]
Accrued liabilities	1,361	1,709	[1]
Income taxes payable	2,824	2,111	[1]
Total current liabilities	6,814	8,707	[1]
Long-term operating lease liability (Note 5)	245	268	[1]
Non-current income taxes payable (Note 9)	15,986	15,986	[1]
Deferred income taxes (Note 9)	793	834	[1]
Other liabilities	4,367	4,316	[1]
Total liabilities	28,205	30,111	[1]
Commitments and contingencies (Note 12)
Shareholders' equity (Note 8)
Common stock	2,096	2,096	[1]
Additional paid-in capital	169,905	169,862	[1]
Accumulated deficit	(21,855)	(21,774)	[1]
Accumulated other comprehensive earnings	872	668	[1]
Stockholders' Equity, Including Treasury Stock	151,018	150,852	[1]
Less treasury stock, at cost	(10,821)	(9,177)	[1]
Total shareholders' equity	140,197	141,675	[1]
Total liabilities and shareholders' equity	$ 168,402	$ 171,786	[1]

[1] The balance sheet at March 1, 2020 has been derived from the audited consolidated finacial statements at that date.