CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income	$ 10,692,000	$ 11,687,000
Income (loss) from discontinued operations, net of tax	429,000	(1,477,000)
Income from continuing operations	10,263,000	13,164,000
Adjustments to reconcile net income to net cash provided by operating activities from continuing operations:
Depreciation and amortization	3,685,000	4,068,000
Realized (gain) on investment securities, net	(134,000)	(233,000)
Share-based compensation	1,105,000	1,407,000
Deferred income taxes	(505,000)	(372,000)
(Gain)/loss on disposal of fixed assets	26,000	(32,000)
Changes in assets and liabilities which provided (used) cash:
Accounts receivable	(341,000)	(439,000)
Inventory	3,311,000	266,000
Prepaid expenses and other current assets	(257,000)	477,000
Other assets	335,000	(97,000)
Accounts payable and accrued expenses	(596,000)	(1,300,000)
Income taxes	4,069,000	476,000
Net cash provided by operating activities- continuing operations	20,961,000	17,385,000
Net cash used in operating activities- discontinued operations	(3,123,000)	(1,087,000)
Net cash provided by operating activities	17,838,000	16,298,000
Cash Flow from Investing Activities:
Sale of investment securities	4,450,000	6,426,000
Purchase of investment securities	(4,172,000)	(11,016,000)
Purchase of property and equipment	(1,373,000)	(2,932,000)
Net cash used in investing activities- continuing operations	(1,095,000)	(7,522,000)
Net cash provided by investing activities- discontinued operations	0	1,143,000
Net cash used in investing activities	(1,095,000)	(6,379,000)
Cash Flow from Financing Activities:
Repayment of long-term debt and capital leases	(115,000)	(110,000)
Decrease in note receivable	45,000	15,000
Net shares repurchased for employee taxes	(875,000)	0
Options exercised by executives and directors	44,000	0
Excess tax benefits from share-based compensation	165,000	39,000
Purchase of treasury stock	(3,321,000)	(14,226,000)
Net cash used in financing activities- continuing operations	(4,057,000)	(14,282,000)
Net cash used in financing activities- discontinued operations	0	0
Net cash used in financing activities	(4,057,000)	(14,282,000)
NET CHANGE IN CASH AND CASH EQUIVALENTS	12,686,000	(4,363,000)
Cash and cash equivalents - beginning of the period	24,459,000	36,382,000
Cash and cash equivalents - end of period	37,145,000	32,019,000
Supplemental disclosure of cash flow information:
Interest paid	14,000	93,000
Income taxes paid	$ 305,000	$ 6,499,000