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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Cash flows from operating activities: |  |
Net income | $ 5,251 | $ 4,530
Adjustment to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 1,313 | 610
Non cash interest expense included in net income | 34 | 46
Share based compensation expense | 373 | 328
Bad debt (recoveries) expense | (26) | 24
Inventory reserve expense | 67 | 82
Changes in operating assets and liabilities, net of acquisitions: |  |
Accounts receivable | 5,495 | 4,720
Costs and estimated earnings in excess of billings on uncompleted contracts | (3,544) | 3,786
Inventories | 221 | (228)
Prepaid expense and other current assets | (1,444) | (633)
Deferred charges and other assets | 310 | 181
Accounts payable and accrued expenses | 20 | (2,702)
Billings in excess of costs and estimated earnings on uncompleted contracts | (234) | (2,941)
Income taxes payable | (1,703) | 879
Other liabilities | 1,982 | (124)
Net cash provided by operating activities | 8,115 | 8,558
Cash flows from investing activities: |  |
Acquisitions of property and equipment | (236) | (132)
Net cash paid for acquisition | (24,379) |
Net cash used in investing activities | (24,615) | (132)
Cash flows from financing activities: |  |
Net repayments on revolving credit lines | (102) |
Proceeds from exercise of stock options | 441 | 110
Cash paid for repurchase of common shares |  | (456)
Dividends paid to common shareholders | (1,767) | (1,025)
Net cash used in financing activities | (1,428) | (1,371)
Net (decrease) increase in cash and cash equivalents | (17,928) | 7,055
Cash and cash equivalents at beginning of period | 22,994 | 12,724
Cash and cash equivalents at end of period | 5,066 | 19,779
Supplemental Schedule of Non-Cash Activities: |  |
Conversion of subordinated debt to common stock | 0 | 440
Common stock issued in business acquisition | 7,423 | 0
Cash paid during the period for: |  |
Interest | 310 | 606
Income taxes | $ 3,411 | $ 1,242

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