Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2018	Jan. 31, 2018
Current assets:
Cash and cash equivalents	$ 8,613	$ 9,902
Restricted cash	233	244
Accounts and contracts receivable, net of allowance for doubtful accounts of $3,560 and $3,885 at April 30, 2018 and January 31, 2018, respectively	12,333	10,494
Inventories, net	11,432	10,856
Prepaid expenses and other current assets	2,132	1,550
Total current assets	34,743	33,046
Seismic equipment lease pool and property and equipment, net	21,046	22,900
Intangible assets, net	11,484	8,015
Goodwill	2,531	2,531
Non-current prepaid income taxes	1,603	1,609
Long-term receivables, net of allowance for doubtful accounts of $94 and $2,282 at April 30, 2018 and January 31, 2018, respectively	706	4,652
Other assets	611	926
Total assets	72,724	73,679
Current liabilities:
Accounts payable	2,889	1,271
Deferred revenue	723	741
Accrued expenses and other current liabilities	4,895	5,253
Income taxes payable	896	258
Total current liabilities	9,403	7,523
Deferred tax liability	105	307
Total liabilities	9,508	7,830
Shareholders’ equity:
Preferred stock, $1.00 par value; 1,000 shares authorized; 698 and 532 issued and outstanding at April 30, 2018 and January 31, 2018, respectively	15,312	11,544
Common stock, $0.01 par value; 20,000 shares authorized; 14,019 shares issued at April 30, 2018 and January 31, 2018	140	140
Additional paid-in capital	122,430	122,304
Treasury stock, at cost (1,929 shares at April 30, 2018 and January 31, 2018)	(16,860)	(16,860)
Accumulated deficit	(48,715)	(42,425)
Accumulated other comprehensive loss	(9,091)	(8,854)
Total shareholders’ equity	63,216	65,849
Total liabilities and shareholders’ equity	$ 72,724	$ 73,679