Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$ 1,955	$ 9,094
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	696	304
Foreign exchange gain	(10)	(10)
Amortization of deferred compensation related to restricted stock	93	119
Profit sharing expense funded through the issuance of treasury stock	150	150
(Gain) loss on sale of property and equipment	5	(40)
Proceeds from sale of demonstration equipment, net of gain	86	107
Deferred income tax expense (benefit)	489	(2,905)
Changes in assets and liabilities:
Trade accounts receivable	465	(601)
Inventories	926	(1,186)
Prepaid expenses and other current assets	(71)	60
Restricted certificates of deposit	50	200
Other assets	14	28
Accounts payable	380	62
Accrued wages and benefits	(255)	(63)
Accrued sales commissions	(50)	31
Accrued rent	101	320
Accrued professional fees	(44)	1
Customer deposits	(239)	341
Other current liabilities	85	(164)
Deferred rent		(39)
Net cash provided by operating activities	4,826	5,809
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition of business	(3,802)
Purchase of property and equipment	(283)	(685)
Proceeds from sale of property and equipment	13	40
Net cash used in investing activitites	(4,072)	(645)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from stock options exercised		30
Net cash provided by financing activities		30
Effects of exchange rates on cash	(11)	(25)
Net cash provided by all activities	743	5,169
Cash and cash equivalents at beginning of period	13,957	6,895
Cash and cash equivalents at end of period	14,700	12,064
Domestic and foreign income taxes	283	171
Interest	8	1
Fair value of assets acquired	4,026
Liabilities assumed	(274)
Goodwill resulting from acquisition	50
Net cash paid for acquisition	3,802
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Forfeiture of non-vested shares of restricted stock		$ (20)