Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 4,636	$ 1,868
Accounts receivable (net of allowance for doubtful accounts of $4,147 and $3,002 respectively)	16,005	14,034
Inventories	1,738	1,859
Other current assets	784	820
Total current assets	23,163	18,581
PROPERTY AND EQUIPMENT (net of accumulated depreciation of $12,341 and $10,289, respectively)	8,437	8,607
INTANGIBLE ASSETS (net of accumulated amortization of $293 and $182, respectively)	2,689	2,800
OTHER ASSETS	170	83
TOTAL ASSETS	34,459	30,071
CURRENT LIABILITIES
Accounts payable	3,387	3,611
Accrued compensation	2,291	2,808
Other accrued expenses and liabilities	631	669
Short-term portion of equipment capital leases	2,554	2,212
Revolving credit line	3,193	8,458
Total current liabilities	12,056	17,758
LONG TERM LIABILITIES
Long-term portion of equipment capital leases	2,963	3,097
TOTAL LIABILITIES	15,019	20,855
COMMITTMENTS (Note H)
STOCKHOLDERS' EQUITY
Common stock, $.001 par value, (100,000,000 shares authorized; 48,888,215 and 45,280,280 shares issued and outstanding at June 30, 2013 and December 31, 2012, respectively)	49	45
Additional paid-in capital	41,686	31,742
Accumulated deficit	(22,295)	(22,571)
Total stockholders' equity	19,440	9,216
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 34,459	$ 30,071