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Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2013 | Sep. 30, 2012
Operating activities |  |
Net loss | $ (4,223) | $ (3,595)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |
Depreciation | 80 | 91
Deferred income taxes |  | 4,587
Stock-based compensation | 3,155 | 2,614
Loss on disposal of property | 37 |
Equity in the net loss of AMSO, LLC | 2,607 | 2,252
Change in assets and liabilities: |  |
Restricted cash | (665) | 280
Trade accounts receivable | 1,799 | (9,567)
Inventory | (834) | 1,296
Prepaid expenses | 651 | 1,264
Other current assets and other assets | (950) | (1,084)
Trade accounts payable, accrued expenses and other current liabilities | (2,556) | 4,508
Advances from customers | (399) | 398
Due to IDT Corporation | (78) | (182)
Income taxes payable | 693 | (1,709)
Net cash (used in) provided by operating activities | (683) | 1,153
Investing activities |  |
Capital expenditures | (300) | (64)
Capital contributions to AMSO, LLC | (2,345) | (2,925)
Issuance of note receivable | (375) | (650)
Purchases of licenses and security deposit |  | (175)
Purchases of certificates of deposit | (5,330) | (2,205)
Proceeds from maturities of certificates of deposit | 2,205 |
Purchase of marketable securities | (3) | (11,484)
Proceeds from maturities and sale of marketable securities | 10,033 |
Net cash provided by (used in) investing activities | 3,885 | (17,503)
Financing activities |  |
Increase in restricted cash |  | (10,010)
Dividends paid | (826) | (4,205)
Proceeds from exercise of stock options | 53 | 5
Repurchases of Class B common stock from employees | (270) | (133)
Net cash used in financing activities | (1,043) | (14,343)
Effect of exchange rate changes on cash and cash equivalents | 279 | (8)
Net increase (decrease) in cash and cash equivalents | 2,438 | (30,701)
Cash and cash equivalents at beginning of period | 69,409 | 102,220
Cash and cash equivalents at end of period | $ 71,847 | $ 71,519

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- Definition The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591551-111686 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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