CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
REVENUE:
Dental practice revenue		$ 57,167,491	$ 59,134,356	$ 59,924,198
Capitation revenue		4,594,803	4,709,481	5,201,402
Total revenue		61,762,294	63,843,837	65,125,600
DIRECT EXPENSES:
Clinical salaries and benefits		37,202,203	38,209,674	38,641,198
Dental supplies		2,820,462	2,965,182	2,977,962
Laboratory fees		3,489,225	3,288,426	3,298,723
Occupancy		6,279,180	5,948,384	5,900,176
Advertising and marketing		658,487	862,397	965,202
Depreciation and amortization		3,993,299	4,283,291	4,229,253
General and administrative		5,477,903	5,387,988	5,441,126
Total direct expense		59,920,759	60,945,342	61,453,640
Contribution from dental offices		1,841,535	2,898,495	3,671,960
CORPORATE EXPENSES:
General and administrative	[1]	3,516,657	3,677,547	4,659,610
Depreciation and amortization		210,813	241,588	223,019
OPERATING LOSS		(1,885,935)	(1,020,640)	(1,210,669)
OTHER INCOME (EXPENSE):
Change in fair value of contingent liabilities		0	100,000	0
Interest (expense), net		(253,940)	(105,062)	(115,750)
LOSS BEFORE INCOME TAXES		(2,139,875)	(1,025,702)	(1,326,419)
Income tax benefit		(753,973)	(321,032)	(402,785)
NET LOSS		$ (1,385,902)	$ (704,670)	$ (923,634)
Net loss per share of Common Stock - Basic (in dollars per share)		$ (0.74)	$ (0.38)	$ (0.50)
Net loss per share of Common Stock - Diluted (in dollars per share)		(0.74)	(0.38)	(0.50)
Cash dividends per share of Common Stock (in dollars per share)		$ 0	$ 0.88	$ 0.88
Weighted average number of shares of Common Stock and dilutive securities:
Basic (in shares)		1,860,316	1,860,246	1,858,650
Diluted (in shares)		1,860,316	1,860,246	1,858,650

[1] Corporate expenses - general and administrative includes $364,880 of stock-based compensation expense pursuant to ASC Topic 718 and $338,861 of severance compensation expense for the year ended December 31, 2014 , $229,093 of stock-based compensation expense pursuant to ASC Topic 718 for the year ended December 31, 2015 and $177,679 of stock-based compensation expense pursuant to ASC Topic 718 for the year ended December 31, 2016.