CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash Flows From Operating Activities:
Net income (loss)	$ 22,489	$ (694)	$ 11,601
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	5,611	590	388
Provision for doubtful accounts	4,629	2,595	1,509
Deferred income taxes	(3,132)	(5,751)	2,018
Stock-based compensation	6,197	21,637	392
Accrued interest on long-term loan	0	0	96
Changes in operating assets and liabilities:
Accounts receivable	(11,254)	(6,135)	(6,295)
Inventories	(3,195)	(993)	(6,380)
Prepaid expenses and other assets	(8,583)	(641)	(947)
Accounts payable	1,787	(3,413)	3,992
Accrued compensation and related expenses	(1,316)	976	564
Other accrued liabilities (see Note 8)	6,521	3,036	6,291
Other liabilities	68	76	41
Deferred revenues	5,243	2,176	597
Net cash provided by operating activities	25,065	13,459	13,867
Cash Flows From Investing Activities:
Purchases of property and equipment	(573)	(358)	(93)
Lasers placed into service	(3,221)	15	0
Proceeds from (investments in) short-term deposit	(18,000)	14,500	(14,500)
Amounts carried to patents	0	0	(80)
Increase in funds - employees retirement rights	(69)	(81)	(42)
Acquisition of business, net of cash acquired	0	(18,729)	0
Net cash used in investing activities	(21,863)	(4,653)	(14,715)
Cash Flows From Financing Activities:
Repurchase of common stock	(10,756)	(250)	0
Proceeds from issuance of common stock, net	37,514	0	0
Issuance of warrants	98	0	0
Proceeds from exercise of options	67	410	0
Proceeds from warrant exercises	134	0	0
Repayment of stockholders' loan	0	0	(2,020)
Payments on notes payable	(465)	0	0
Repayment of long-term debt	(2,000)	0	0
Net cash provided by (used in) financing activities	24,592	160	(2,020)
Effect of exchange rate changes on cash	5	2	0
Net increase (decrease) in cash and cash equivalents	27,799	8,968	(2,868)
Cash and cash equivalents, beginning of year	16,549	7,581	10,449
Cash and cash equivalents, end of year	44,348	16,549	7,581
Supplemental information:
Cash paid for income taxes	12,976	6,373	1,793
Cash paid for interest	79	0	0
Fair value of assets, excluding cash, acquired in exchange for securities in a business combination (See Note 2)	0	66,351	0
Fair value of liabilities assumed in exchange for securities in a business combination (See Note 2)	0	11,035	0
Goodwill resulting from a business combination (See Note 2)	$ 0	$ 27,246	$ 0