v2.4.0.8
Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
May 31, 2014
May 31, 2013
May 31, 2012
Cash flows from operating activities:      
Net income (loss) $ 422 $ (3,419) $ (3,389)
Adjustments to reconcile net income (loss) to net cash used in operating activities:      
Stock-based compensation expense 829 601 709
Provision for doubtful accounts 15 0 16
(Gain) loss on disposal of asset (41) 0 1
Gain on sale of long-term investment 0 0 (990)
Depreciation and amortization 141 322 491
Changes in operating assets and liabilities:      
Accounts receivable (720) (206) (1,285)
Inventories (740) 702 (1,114)
Prepaid expenses and other (51) (7) (42)
Accounts payable 707 243 570
Customer deposits and deferred revenue (984) 1,477 331
Accrued expenses (25) 58 (36)
Income tax payable (65) (5) (78)
Deferred rent (95) (76) (59)
Net cash used in operating activities (607) (310) (4,875)
Cash flows from investing activities:      
Proceeds from sale of investments 0 0 1,375
Proceeds from sales of property and equipment 50 0 0
Purchases of property and equipment (339) (127) (45)
Net cash (used in) provided by investing activities (289) (127) 1,330
Cash flows from financing activities:      
Line of credit (repayments) borrowings, net (324) (307) 1,408
Proceeds from issuance of common stock under private placement 0 1,138 0
Proceeds from issuance of common stock under employee plans 715 234 168
Net cash provided by financing activities 391 1,065 1,576
Effect of exchange rates on cash and cash equivalents (10) (377) 22
Net (decrease) increase in cash and cash equivalents (515) 251 (1,947)
Cash and cash equivalents, beginning of year 2,324 2,073 4,020
Cash and cash equivalents, end of year 1,809 2,324 2,073
Supplemental Cash Flow Information:      
Cash paid during the year for Income taxes 44 64 62
Cash paid during the year for Interest 27 49 4
Non cash transactions:      
Net change in capitalized stock-based compensation $ 24 $ 0 $ 0