Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$ 3,912	$ 4,280
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	209	190
Foreign exchange (gain) loss	(11)	9
Amortization of deferred compensation related to restricted stock	87	96
Profit sharing expense funded through the issuance of treasury stock	75
(Gain) loss on sale of property and equipment	(40)	(5)
Proceeds from sale of demonstration equipment, net of gain	107	8
Changes in assets and liabilities:
Trade accounts receivable	(2,012)	(5,331)
Inventories	(761)	(136)
Prepaid expenses and other current assets	264	170
Restricted certificates of deposit		(250)
Other assets	28	32
Accounts payable	432	321
Accrued wages and benefits	(295)	647
Accrued professional fees	(4)	51
Accrued warranty	12	35
Accrued sales commissions	160	476
Accrued restructuring and other charges		(130)
Other accrued expenses	383	222
Domestic and foreign income taxes payable	29	(3)
Deferred rent	(59)	(59)
Net cash provided by operating activities	2,516	623
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property and equipment	(640)	(75)
Proceeds from sale of property and equipment	40
Net cash used in investing activitites	(600)	(75)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from stock options exercised	30
Net cash provided by financing activities	30
Effects of exchange rates on cash	38	(61)
Net cash provided by all activities	1,984	487
Cash and cash equivalents at beginning of period	6,895	2,647
Cash and cash equivalents at end of period	8,879	3,134
Cash payments for:
Domestic and foreign income taxes	78	6
Interest
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Issuance of non-vested shares of restricted stock		411
Forfeiture of non-vested shares of restricted stock	$ (20)	$ (11)