Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Apr. 30, 2022	Jan. 31, 2022
Current assets:
Cash and cash equivalents	$ 817	$ 5,114
Accounts receivable, net of allowance for doubtful accounts of $484 at each of April 30, 2022 and January 31, 2022	9,397	8,126
Inventories, net	14,243	14,006
Prepaid expenses and other current assets	1,558	1,840
Assets held for sale	3	159
Total current assets	26,018	29,245
Property and equipment, net	4,062	4,272
Operating lease right-of-use assets	1,531	1,835
Intangible assets, net	5,743	6,018
Other assets	428	650
Total assets	37,782	42,020
Current liabilities:
Accounts payable	2,084	2,046
Deferred revenue	559	232
Accrued expenses and other current liabilities	5,112	5,762
Income taxes payable	1,004	837
Operating lease liabilities - current	587	869
Liabilities held for sale	271	953
Total current liabilities	9,617	10,699
Operating lease liabilities - non-current	944	966
Deferred tax liability	92	92
Total liabilities	10,653	11,757
Stockholders’ equity:
Preferred stock, $1.00 par value; 2,000 shares authorized; 1,683 shares issued and outstanding at each of April 30, 2022 and January 31, 2022	37,779	37,779
Common stock, $0.01 par value; 40,000 shares authorized; 15,715 and 15,705 shares issued at April 30, 2022 and January 31, 2022, respectively	157	157
Additional paid-in capital	129,162	128,926
Treasury stock, at cost (1,933 and 1,931 shares at April 30, 2022 and January 31, 2022, respectively)	(16,863)	(16,862)
Accumulated deficit	(121,222)	(117,856)
Accumulated other comprehensive loss	(1,884)	(1,881)
Total stockholders’ equity	27,129	30,263
Total liabilities and stockholders’ equity	$ 37,782	$ 42,020