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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Cash flows from operating activities:    
Net income $ 13,722 $ 16,198
Income from discontinued operations, net of tax   533
Income from continuing operations 13,722 15,665
Adjustments to reconcile net income to net cash provided by operating activities from continuing operations:    
Depreciation and amortization 4,211 5,425
Realized (gain)/loss on investment securities, net 174 (117)
Share-based compensation 1,870 1,707
Deferred income taxes (3,194) 163
Impairment of fixed assets 6,083  
(Gain)/loss on disposal of fixed assets (13) 59
Changes in assets and liabilities which provided (used) cash:    
Accounts receivable 502 (219)
Inventory (1,680) 3,965
Prepaid expenses and other current assets (141) 1,158
Other assets 43 334
Accounts payable and accrued expenses 1,766 (1,676)
Income taxes 2,793 4,358
Net cash provided by operating activities- continuing operations 26,136 30,822
Net cash used in operating activities- discontinued operations (471) (3,525)
Net cash provided by operating activities 25,665 27,297
Cash Flow from Investing Activities:    
Sale of investment securities 26,741 7,135
Purchase of investment securities (26,578) (6,987)
Sale of property and equipment 676  
Purchase of property and equipment (2,039) (1,605)
Net cash used in investing activities- continuing operations (1,200) (1,457)
Net cash used in investing activities- discontinued operations
Net cash used in investing activities (1,200) (1,457)
Cash Flow from Financing Activities:    
Repayment of capital leases (163) (173)
Decrease in note receivable   45
Net shares repurchased for employee taxes (743) (875)
Options exercised by executives and directors 299 44
Excess tax benefits from share-based compensation 105 170
Purchase of treasury stock   (10,516)
Cash dividends paid to stockholders (8,891)  
Net cash used in financing activities- continuing operations (9,393) (11,305)
Net cash used in financing activities- discontinued operations
Net cash used in financing activities (9,393) (11,305)
Foreign currency impact 11  
NET CHANGE IN CASH AND CASH EQUIVALENTS 15,083 14,535
Cash and cash equivalents - beginning of the period 42,037 24,459
Cash and cash equivalents - end of period 57,120 38,994
Supplemental disclosure of cash flow information:    
Interest paid 6 18
Income taxes paid 7,160 $ 1,805
Dividends declared included in accounts payable $ 3,162