Condensed Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 2,792,104	$ 2,361,186
Adjustments to reconcile net income to net cash provided (used) in operating activities
Depreciation and amortization	204,527	160,768
Stock compensation	160,351	93,990
Cash settlement of stock options	115,550	315,224
Changes in operating assets and liabilities:
Accounts receivable	233,241	(670,444)
Inventory	(369,206)	(142,313)
Unbilled revenue	(1,617,346)
Prepaid expenses and other current assets	(410,221)	(192,024)
Accounts payable and other accrued expenses	787,795	33,776
Deferred revenue and deferred rent	653,168	609,473
Net cash provided by operating activities	2,549,964	2,569,636
Cash flows from investing activities:
Purchase of property and equipment	(83,410)	(468,115)
Net cash used in investing activities	(83,410)	(468,115)
Cash flows from financing activities:
Repayment of debt	(11,250)	(11,250)
Common stock issued for option exercise		16,350
Purchase of treasury stock	(96,633)	2,981
Repurchase of stock options	(182,550)	(505,224)
Repurchase of stock warrants	(773,495)
Net cash used in financing activities	(1,063,928)	(497,143)
Net increase in cash	1,402,626	1,604,378
Cash, beginning of period	3,703,579	3,317,020
Cash, end of period	5,106,205	4,921,398
Cash paid:
Taxes	78,000	142,930
Supplemental disclosure of non-cash investing and financing activities:
Investment in MREC	$ 1,516,246