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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2011
Cash Flows from Operating Activities: |  |  |
Net income (loss) | $ 7,608 | $ 12,469 | $ (50,792)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation and amortization | 1,659 | 521 | 215
Loss on disposal of equipment | 0 | 37 | 0
Stock-based compensation | 2,169 | 1,323 | 767
Impairment of inventory | 3,923 | 0 | 0
Deferred income tax benefit | (892) | (2,723) | 0
Non-cash interest expense from convertible debentures | 0 | 0 | 4,747
Non-cash interest expense from amortization of deferred offering costs | 0 | 0 | 845
Change in fair value of derivative liabilities | 0 | 6,741 | 48,454
Changes in operating assets and liabilities: |  |  |
Decrease/(increase) in accounts receivable and income tax receivable | (3,653) | 609 | (540)
(Increase) in inventory | (3,356) | (9,228) | (1,631)
(Increase) in prepaid expenses and deposits | (1,065) | (762) | (334)
(Increase) in long-term deposits | (1,168) | (310) | (4)
Increase in accounts payable | 1,606 | 2,816 | 28
Increase/(decrease) in customer deposits | (13) | 120 | (1)
Increase in accrued expenses | 3,403 | 7,581 | 2,933
Increase/(decrease) in other long-term liabilities | 441 | 195 | (6)
Net Cash Provided by Operating Activities | 10,662 | 19,389 | 4,681
Cash Flows from Investing Activities: |  |  |
Redemption of marketable securities | 0 | 350 | 75
Purchase of equipment | (5,080) | (2,194) | (122)
Purchase of intangible assets | 0 | (52) | (42)
Net Cash Used in Investing Activities | (5,080) | (1,896) | (89)
Cash Flows from Financing Activities: |  |  |
Net payments on revolving line of credit and accrued interest | 0 | (434) | 0
Excess tax benefits from stock based compensation | 1,406 | 388 | 0
Exercise of options and warrants | 1,694 | 1,768 | 169
Repurchase of company stock | (7,123) | (976) | 0
Net Cash (Used In) Provided by Financing Activities | (4,023) | 746 | 169
Foreign Currency Effect on cash | 92 | 38 | (28)
Increase in cash and cash equivalents | 1,651 | 18,277 | 4,733
Cash and Cash Equivalents - beginning of period | 24,648 | 6,371 | 1,638
Cash and Cash Equivalents - end of period | 26,299 | 24,648 | 6,371
Non Cash Investing and Financing Activities: |  |  |
Conversion of debt to common stock | 0 | 0 | 5,570
Conversion of derivative to common stock | 0 | 0 | 26,749
Exercise of warrant liabilities | 0 | 17,604 | 12,931
Increase in property and equipment/other long-term liabilities | 359 | 0 | 0
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION |  |  |
Cash paid for interest expense | 3 | 0 | 385
Cash paid for income taxes | 6,090 | 3,701 | 56
Common shares issued upon cashless warrant exercises (shares) | 3,793 | 10,297 | 8,834
Total cashless exercise price of warrants | $ 2,147 | $ 5,995 | $ 6,395
Gross warrants underlying cashless exercises (in shares) | 4,564 | 12,563 | 12,930

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