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Consolidated Statements Of Operations - USD ($)
shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Revenues:      
Diagnostic Services $ 46,407 $ 42,170 $ 37,171
Diagnostic Imaging 14,419 13,438 12,205
Total revenues 60,826 55,608 49,376
Cost of revenues:      
Diagnostic Services 35,968 31,721 27,828
Diagnostic Imaging 6,949 7,247 7,432
Total cost of revenues 42,917 38,968 35,260
Gross profit 17,909 16,640 14,116
Operating expenses:      
Research and development 0 0 1,025
Marketing and sales 4,741 4,730 4,411
General and administrative 9,888 8,344 8,118
Amortization of intangible assets 506 356 231
Restructuring charges 0 692 1,728
Gain on sale of assets and license agreement 0 0 (1,568)
Total operating expenses 15,135 14,122 13,945
Income from operations 2,774 2,518 171
Other income (expense):      
Interest and other income, net 39 58 63
Interest and other expense, net (296) (39) (15)
Total other income (expense) (257) 19 48
Income before income taxes 2,517 2,537 219
Income tax benefit (expense) 19,123 (62) 45
Net income $ 21,640 $ 2,475 $ 264
Net income per share:      
Earnings Per Share, Basic (in dollars per share) $ 1.13 $ 0.13 $ 0.01
Earnings Per Share, Diluted (in dollars per share) $ 1.10 $ 0.13 $ 0.01
Shares used in per share computations:      
Weighted average shares outstanding - basic (in dollars per share) 19,210 18,571 18,789
Weighted average shares outstanding - diluted (in dollars per share) 19,690 18,878 19,159
Common stock dividends declared (usd per share) $ 0.20 $ 0.20 $ 0.05
Other Comprehensive loss:      
Unrealized loss on marketable securities $ (221) $ (17) $ (19)
Total other comprehensive loss (221) (17) (19)
Comprehensive loss 21,419 2,458 245
Accumulated Other Comprehensive Income (Loss) [Member]      
Other Comprehensive loss:      
Unrealized loss on marketable securities $ (221) $ (17) $ (19)