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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 (loss)	$ (1,529)	$ 339
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	416	440
Recovery of inventory obsolescence	(3)	(44)
Loss on disposal of property and equipment, net		5
Stock-based compensation	294	64
Change in fair value of derivative liabilities	(4)	(27)
Provision (benefit) for deferred taxes	(903)	203
Change in assets and liabilities:
Trade receivables	500	(408)
Prepaid expenses	10	(346)
Inventories	(699)	867
Deposits and other assets	(377)	(124)
Accounts payable	25	(443)
Accrued and other liabilities	1,003	(72)
Net cash provided by (used in) operating activities	(1,267)	454
Cash flows from investing activities
Purchases of property and equipment	(293)	(287)
Net cash used in investing activities	(293)	(287)
Cash flows from financing activities
Proceeds from stock options exercised	24
Repayments of long-term bond debt	(68)	(64)
Net cash used in financing activities	(44)	(64)
Net change in cash and cash equivalents	(1,604)	103
Cash and cash equivalents, beginning of period	4,162	4,880
Cash and cash equivalents, end of period	2,558	4,983
Interest	116	116
Income taxes

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