Massachusetts		04-2664794
(State or other jurisdiction of incorporation or organization)		(I.R.S. Employer Identification Number)

200 Lowder Brook Drive, Suite 1000 Westwood, Massachusetts		02090
(Address of principal executive offices)		(Zip code)

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Part I.        Financial Information
		Item 1.		Unaudited Financial Statements
				Consolidated Balance Sheets:
				September 30, 2002 and December 31, 2001		1
				Consolidated Statements of Income:
				Three and Nine Months Ended September 30, 2002 and 2001		2
				Consolidated Statements of Cash Flows:
				Nine Months Ended September 30, 2002 and 2001		4
				Notes to Unaudited Consolidated Financial Statements		5
		Item 2.		Management’s Discussion and Analysis of Financial Condition and Results of Operations		9
		Item 3.		Quantitative and Qualitative Disclosures About Market Risk		13
		Item 4.		Controls and Procedures		14
Part II.        Other Information
		Item 6.		Exhibits and Reports on Form 8-K		14

		September 30, 2002				December 31, 2001
ASSETS
CURRENT ASSETS:
Cash and equivalents		$	5,266			$	5,889
Accounts receivable—net			21,738				16,207
Inventories			7,184				5,865
Prepaid expenses and other			921				387
Prepaid income taxes			—				141
Deferred income taxes			2,463				1,942
Total current assets			37,572				30,431
PROPERTY AND EQUIPMENT—Net			13,050				12,764
DEFERRED INCOME TAXES			2,684				2,205
OTHER ASSETS—Net			2,981				2,794
TOTAL		$	56,287			$	48,194
LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES:
Current portion of capital lease obligations		$	1,676			$	1,539
Accounts payable			11,932				6,689
Current portion of deferred revenue			4,229				3,086
Accrued and other liabilities			1,916				1,288
Customer deposits			1,286				1,635
Accrued taxes			442				—
Accrued compensation			2,240				1,835
Total current liabilities			23,721				16,072
ACCRUED COMPENSATION			785				747
DEFERRED REVENUE			12,051				10,660
CAPITAL LEASE OBLIGATIONS			1,360				1,038
STOCKHOLDERS' EQUITY:
Common stock—$.01 par value; authorized, 35,000,000 shares; issued, 23,330,161 and 22,700,281 shares at September 30, 2002 and December 31, 2001, respectively			233				227
Additional paid-in capital			62,791				61,530
Retained earnings			34,048				33,123
Treasury stock, at cost, 8,663,034 and 7,995,840 shares of common stock at September 30, 2002 and December 31, 2001, respectively			(78,702	)			(75,203	)
Total stockholders' equity			18,370				19,677
TOTAL		$	56,287			$	48,194

		Three Months Ended
		September 30, 2002				September 30, 2001
Revenues		$	31,087			$	24,657
Cost of goods sold:
Product and installation costs			15,768				12,342
Systems costs (exclusive of depreciation shown below)			648				351
Total			16,416				12,693
Gross margin			14,671				11,964
Costs and expenses:
Research and development			674				463
Sales and marketing			8,762				6,382
General and administrative			3,318				3,115
Depreciation and amortization			655				489
Total			13,409				10,449
Operating income			1,262				1,515
Other income (expense):
Interest income			51				121
Interest expense			(59	)			(68	)
Gain (loss) on sale of fixed assets			37				(33	)
Total			29				20
Income before provision for income taxes			1,291				1,535
Provision for income taxes			478				568
Net income		$	813			$	967
Earnings per share:
Basic		$	0.06			$	0.06
Diluted		$	0.06			$	0.06
Weighted average shares:
Basic			14,669,147				15,283,535
Diluted			14,669,147				15,845,199

		Nine Months Ended
		September 30, 2002				September 30, 2001
Revenues		$	88,906			$	72,294
Cost of goods sold:
Product and installation costs			44,297				36,171
Systems costs (exclusive of depreciation shown below)			1,729				1,146
Total			46,026				37,317
Gross margin			42,880				34,977
Costs and expenses:
Research and development			1,529				1,476
Sales and marketing			27,731				16,397
General and administrative			10,538				10,652
Depreciation and amortization			1,673				1,510
Total			41,471				30,035
Operating income			1,409				4,942
Other income (expense):
Interest income			98				363
Interest expense			(167	)			(203	)
Gain on sale of fixed assets			128				75
Total			59				235
Income before provision for income taxes			1,468				5,177
Provision for income taxes			543				1,915
Net income		$	925			$	3,262
Earnings per share:
Basic		$	0.06			$	0.21
Diluted		$	0.06			$	0.20
Weighted average shares:
Basic			14,691,748