SEGMENT REPORTING - Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues
Revenues	$ 21,956	$ 21,536	$ 43,539	$ 41,789
Earnings (loss) from operations
Earnings from operations	1,315	2,003	2,891	2,889
Capital expenditures, excluding asset acquisition
Capital expenditures, excluding asset acquisition	653	608	982	1,304
Depreciation and amortization
Depreciation and amortization	2,137	1,812	4,120	3,592
Surgical products
Revenues
Revenues	15,922	15,470	31,416	29,862
Earnings (loss) from operations
Earnings from operations	588	498	787	307
Capital expenditures, excluding asset acquisition
Capital expenditures, excluding asset acquisition	411	503	683	1,127
Depreciation and amortization
Depreciation and amortization	1,214	1,233	2,443	2,434
Brachytherapy Seed
Revenues
Revenues	6,315	6,278	12,635	12,231
Earnings (loss) from operations
Earnings from operations	747	1,517	2,127	2,595
Capital expenditures, excluding asset acquisition
Capital expenditures, excluding asset acquisition	242	105	299	177
Depreciation and amortization
Depreciation and amortization	923	579	1,677	1,158
Intersegment eliminations
Revenues
Revenues	(281)	(212)	(512)	(304)
Earnings (loss) from operations
Earnings from operations	$ (20)	$ (12)	$ (23)	$ (13)

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 15

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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