Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 31, 2021	Jan. 31, 2020
Current assets:
Cash and cash equivalents	$ 4,611	$ 3,090
Restricted cash	0	144
Accounts receivable, net of allowance for doubtful accounts of $948 and $2,378 at January 31, 2021 and 2020, respectively	4,747	6,623
Inventories, net	11,453	12,656
Prepaid expenses and other current assets	1,659	1,987
Assets held for sale	4,321	14,913
Total current assets	26,791	39,413
Property and equipment, net	4,751	5,419
Operating lease right-of-use assets	1,471	2,300
Intangible assets, net	6,750	8,136
Goodwill	0	2,531
Other assets	0	429
Total assets	39,763	58,228
Current liabilities:
Accounts payable	1,704	1,767
Deferred revenue	208	731
Accrued expenses and other current liabilities	2,912	1,565
Income taxes payable	562	316
Operating lease liabilities - current	1,008	1,339
Liabilities held for sale	1,442	2,730
Total current liabilities	7,836	8,448
Operating lease liabilities - non-current	463	961
Notes payable	850	0
Other non-current liabilities	0	967
Deferred tax liability	198	200
Total liabilities	9,347	10,576
Commitments and contingencies (Notes 10,17, and 21)
Stockholders’ equity:
Preferred stock, $1.00 par value; 2,000 shares authorized; 1,038 and 994 shares issued and outstanding at January 31, 2021, and 2020, respectively	23,104	22,104
Common stock $0.01 par value; 40,000 shares authorized; 15,681 and 14,049 shares issued at January 31, 2021 and 2020, respectively	157	141
Additional paid-in capital	128,241	123,964
Treasury stock, at cost (1,929 shares at January 31, 2021 and 2020)	(16,860)	(16,860)
Accumulated deficit	(99,870)	(77,310)
Accumulated other comprehensive loss	(4,356)	(4,387)
Total stockholders’ equity	30,416	47,652
Total liabilities and stockholders’ equity	$ 39,763	$ 58,228